smoke

 Smoke rises from burning oil wells on October 18, 2016 near the town of Qayyarah, south of Mosul, during the operation to recapture the city from the Islamic State group. Tens of thousands of Iraqi forces were making gains on the Islamic State group in Mosul in an offensive US President Barack Obama warned would be a "difficult fight".  / AFP PHOTO / BULENT KILICBULENT KILIC/AFP/Getty Images

Bulent Kilic/AFP/Getty

Smoke rises from burning oil wells near the town of Qayyarah, south of Mosul, Iraq during the operation to recapture the city from the Islamic State group. PhotoBulent Kilic/AFP/Getty 

epa05443258 Thick smoke spreads over a burning Styrofoam site while firefighters attempt to put it out in Wittenberge, Germany, 27 July 2016. According to initial information, no one was injured in the factory from Austrian insulation company Austrotherm. Lightning set the giant Styrofoam site on fire and caused millions of euros worth of damage.  EPA/JENS WEGNER

Jens Wegner/EPA

Thick smoke spreads over a burning Styrofoam site while firefighters attempt to put it out in Wittenberge, Germany. According to initial information, no one was injured in the factory from Austrian insulation company Austrotherm 

A Palestinian protester uses a slingshot to hurl stones towards Israeli troops during clashes in the West Bank village of Araka near Jenin, February 15, 2016.

Mohamad Torokman/Reuters

A Palestinian protester uses a slingshot to hurl stones towards Israeli troops during clashes in the West Bank village of Araka near Jenin today.

Mount Bromo spews volcanic material and ash into the air during an eruption in Probolinggo, East Java, Indonesia 15 December 2015.

Suryanto/EPA

Mount Bromo spews volcanic material and ash into the air during an eruption in Probolinggo, East Java, Indonesia on Tuesday

Volcanic activity at the Tungurahua volcano in Cotalo, Ecuador, 19 November 2015. An increase in volcanic activtiy has been reported at the Tungurahua volcano, according to the latest finidngs from the Ecuadorian Geophysical Institute of the National Polytechnic School (IG-EPN).

Jose Jacome/EPA

Volcanic activity at the Tungurahua volcano in Cotalo, Ecuador, on Thursday. An increase in volcanic activtiy has been seen at the Tungurahua volcano in recent days

Cotopaxi volcano spews ash and steam near Quito, Ecuador, on Thursday. The Security Coordinator Ministry, based on reports from the Geophysical Institute (IG) of the National Polytechnic School, said that Cotopaxi volcano 'continues its moderate internal and surface activity with emissions of gases and water vapor containing a burden moderate ash.

Jose Jacome/EPA

Cotopaxi volcano spews ash and steam near Quito, Ecuador, on Thursday

An Indonesian man stands next to a mosque in the village of Tiga Serangkai in Karo, North Sumatra on Wednesday, as mount Sinabung spews volcanic ash in the distance. Sinabung is one of 129 active volcanoes in Indonesia, which sits on the Pacific Ring of Fire, a belt of seismic activity running around the basin of the Pacific Ocean

Albert Damanika/AFP

An Indonesian man stands next to a mosque in the village of Tiga Serangkai in Karo, North Sumatra on Wednesday, as mount Sinabung spews volcanic ash in the distance

A Russian Yakovlev Yak-130 Mitten subsonic two-seat advanced jet trainer performs on rehearsal day for the MAKS-2015, the International Aviation and Space Show, in Zhukovsky, outside Moscow, on August 21, 2015. The MAKS-2015 will be held in Zhukovsky from August 25 to 30.

Krill Kudryavtsev/AFP

A Russian Yakovlev Yak-130 Mitten subsonic two-seat advanced jet trainer performs on rehearsal day for the MAKS-2015, the International Aviation and Space Show, in Zhukovsky, outside Moscow, on Friday

Cotopaxi volcano showing ash spewing from its crater. Considered one of the most dangerous volcanoes in the world, Cotopaxi sent an ash plume high into the sky on Friday, before spewing several smaller clouds and leaving surrounding towns with a light dusting of volcanic ash. In response, the government issued a state of emergency and ordered the evacuation of some 500 people in the immediate vicinity of the volcano

Juan Cevallos/AFP

Cotopaxi volcano showing ash spewing from its crater. Considered one of the most dangerous volcanoes in the world, Cotopaxi sent an ash plume high into the sky on Friday, before spewing several smaller clouds and leaving surrounding towns with a light dusting of volcanic ash

A general night view on the volcano Cotopaxi from Quito, Ecuador, early 18 August 2015. Ecuador's president on 15 August imposed a state of emergency in the country over concern that the volcano Cotopaxi might erupt.

Jose Jacome/EPA

A view of the volcano Cotopaxi from Quito, Ecuador, early on Tuesday. Ecuador’s president imposed a state of emergency in the country over concern that the volcano Cotopaxi might erupt

An helicopter of firefighters fly over smokes billowing over Athens, on July 17, 2015 as firemen were battling a brush fire in northeastern Athens and another wildfire in the southern Pelopponese peninsula that prompted the evacuation of five villages. More than 120 firefighters had been dispatched to the area, supported by 50 fire engines, four aircraft and two helicopters

Andreas Solaro/AFP

An helicopter of firefighters fly over smokes billowing over Athens, on Friday as firemen were battling a brush fire in northeastern Athens and another wildfire in the southern Pelopponese peninsula that prompted the evacuation of five villages

Smoke billows into the sky from one of two fires that started overnight on a petrochemical facility owned by American firm LyondellBasell at the refineries around the Etang de Berre...Smoke billows into the sky from one of two fires that started overnight on a petrochemical facility owned by American firm LyondellBasell at the refineries around the Etang de Berre, near Marseille, southern France, France, July 14, 2015.  Marseille firemen were still trying to extinguish one of two fires that started overnight on a petrochemical facility owned by American firm LyondellBasell and located near the airport of France's second largest city, a Reuters witness reported on Tuesday. Marseille authorities said no one had been injured on site but that reasons behind the two incidents were still unclear

Philippe Laurenson/Reuters

Smoke billows into the sky from one of two fires that started overnight on a petrochemical facility owned by American firm LyondellBasell at the refineries around the Etang de Berre, near Marseille, southern France, France, on Tuesday

Alphajets from the French Air Force Patrouille de France fly over the Pyramid of the Louvre Museum during the traditional Bastille day military parade in Paris...Alphajets from the French Air Force Patrouille de France in the formation of a Croix de Lorraine cross and releasing trails of red, white and blue smoke, colors of French national flag, fly over the Pyramid of the Louvre Museum during the traditional Bastille day military parade in Paris, France, July 14, 2015

Gonzalo Fuentes/Reuters

Alphajets from the French Air Force Patrouille de France in the formation of a Croix de Lorraine cross and releasing trails of red, white and blue smoke, colors of French national flag, fly over the Pyramid of the Louvre Museum during the traditional Bastille day military parade in Paris, France

A local farmer pauses her work as Mount Sinabung spews pyroclastic smoke, seen from Tiga Kicat village onWednesday in Sukanalu village, North Sumatra, Indonesia

Ulet Ifansasti/Getty Images

A local farmer pauses her work as Mount Sinabung spews pyroclastic smoke, seen from Tiga Kicat village onWednesday in Sukanalu village, North Sumatra, Indonesia

The French Patrol performs over Le Bourget on June 15, 2015 during the opening of the International Paris Airshow.

Miguel Medina/AFP

The French Patrol performs over Le Bourget on Monday during the opening of the International Paris Airshow

 A solider watches smoke rising as they take part in joint Jordan-US maneuvers during the "Eager Lion" military exercises, in  Mudawwara, near the border with Saudi Arabia, on May 18, 2015. The annual "Eager Lion" exercises includes the participation of 10,000 troops from at least 18 countries, and incorporates scenarios including disaster relief and air defense.

Khalil Mazraawikhalil/AFP

A solider watches smoke rising as they take part in joint Jordan-US maneuvers during the “Eager Lion” military exercises, in Mudawwara, near the border with Saudi Arabia, on Monday

The 'Frecce Tricolori' Italian Air Force acrobatic squad fly over Rome, Tuesday, March 17, 2015 to mark the 154th anniversary of the Italian Unification in 1861

Gregorio Borgia/AP

The ‘Frecce Tricolori’ Italian Air Force acrobatic squad flies over Rome on Tuesday to mark the 154th anniversary of the Italian Unification in 1861

Workers, near smoke from a flare, block an entrance of the port of Antwerp, one of the world's biggest port, during a strike in Antwerp November 24, 2014. A strike in parts of Belgium on Monday disrupted rail services and one of Europe's largest ports as trade unions and workers voice their anger over austerity measures announced by the country's new government.

Yves Herman/Reuters

Strikers, near smoke from a flare, block an entrance at Antwerp port, one of the world’s biggest, on Monday. Trade unions and workers voiced anger over austerity measures announced by Belgium’s new government.

Smoke rises as a house is blown up during a military operation by Egyptian security forces in the Egyptian city of Rafah, near the border with southern Gaza Strip...Smoke rises as a house is blown up during a military operation by Egyptian security forces in the Egyptian city of Rafah, near the border with southern Gaza Strip November 6, 2014. At Egypt's border with the Gaza Strip, families are emptying their homes - lugging mattresses and furniture onto waiting vans as soldiers look on from armoured cars. In nine villages along the frontier, 680 houses - homes to 1,165 families - are being razed to seal off smugglers' tunnels and try to crush a militant insurgency in northern Sinai that has intensified since the army overthrew President Mohamed Mursi of the Muslim Brotherhood 16 months ago.

Ibraheem Abu Mustafa/Reuters

Smoke rises as a house is blown up during a military operation by Egyptian security forces in the Egyptian city of Rafah, near the border with southern Gaza Strip on Thursday. In nine villages along the frontier, house are being razed to seal off smugglers’ tunnels and try to crush a militant insurgency in northern Sinai

A woman speaks on a mobile phone as smoke rises after a strike from the US-led coalition on the the Syrian town of Ain al-Arab, known as Kobane by the Kurds, as seen from the Turkish-Syrian border in the southeastern village of Mursitpinar, Sanliurfa province, on October 13, 2014. The US-led international coalition carried out at least two new air strikes against positions held by Islamic State militants (IS) in and around Kobane on October 13, as meanwhile fighting broke out between Islamist jihadists and Kurdish fighters close to the Turkish border just north of the besieged Syrian town of Kobane.

Aris Messinis/AFP

A woman speaks on a mobile phone as smoke rises after a strike from the US-led coalition on the the Syrian town of Ain al-Arab, known as Kobani by the Kurds, as seen from the Turkish-Syrian border in the southeastern village of Mursitpinar, Sanliurfa province, on Monday