Pensioners line up outside a National Bank branch in Athens, Greece.

Milos Bicanski/Getty Images

Pensioners line up outside a National Bank branch in Athens, Greece. Bank branches around Greece are open today to allow pensioners to receive a small part of their benefits.

Protesters march during a rally in Hong Kong, China, on Wednesday, July 1, 2015. Organizers of the annual protest marking Hong Kong's return to Chinese rule face new challenges this year after the 79-day Occupy movement failed to force China to the bargaining table

Lam Yik Fei/Bloomberg

Protesters march during a rally in Hong Kong, China, on Wednesday

Chinese People's Liberation Army Barracks Open Day

Justin Chin/Bloomberg

A member of the People’s Liberation Army (PLA) jumps through a fire ring while holding a gun during an demonstration at an open day at the Ngong Suen Chau Barracks in Hong Kong, China, on Wednesday.

A sticker with the word 'No' in Greek is seen on an advertisement in front of a retail store in Athens, Greece, July 1, 2015. Greece's last-minute overtures to international creditors for financial aid on Tuesday were not enough to save the country from becoming the first developed economy to default on a loan with the International Monetary Fund.   REUTERS/Christian Hartmann

Christian Hartmann/Reuters

A sticker with the word ‘No’ in Greek is seen on an advertisement in front of a retail store in Athens, Greece. Greece’s last-minute overtures to international creditors for financial aid on Tuesday were not enough to save the country from becoming the first developed economy to default on a loan with the International Monetary Fund 

President, First Lady Host Girls Scouts At First-Ever White House Campout...WASHINGTON, DC - JUNE 30:  U.S. President Barack Obama (2nd L) and first lady Michelle Obama (3rd L) particiapte in campfire songs session with fourth-grade Girl Scouts during the first-ever White House Campout June 30, 2015 at South Lawn of the White House in Washington, DC. The first lady hosted the event, as part of her Let's Move! Outside initiative, for Girl Scouts to participate in activities to earn their Camper Badge, and to celebrate the release of the new Girls' Choice Outdoor badges.  (Photo by Alex Wong/Getty Images)

Alex Wong/Getty

U.S. President Barack Obama and first lady Michelle Obama participate in campfire songs session with fourth-grade Girl Scouts during the first-ever White House Campout at South Lawn of the White House in Washington D.C, The first lady hosted the event, as part of her Let’s Move! Outside initiative, for Girl Scouts to participate in activities to earn their Camper Badge, and to celebrate the release of the new Girls’ Choice Outdoor badges 

Holidaymakers react as people lay flowers on Marhaba beach, where 38 people were killed in a terrorist attack last Friday, on June 30, 2015 in Sousse, Tunisia. British police have been deployed to the area as part of one of the biggest counter terror operations since the London bombings on July 7, 2005

Jeff J Mitchell/Getty Images

Holidaymakers react as people lay flowers on Marhaba beach, where 38 people were killed in a terrorist attack last Friday, on Tuesday in Sousse, Tunisia

Members of the emergency services take part in Exercise Strong Tower outside the disused Aldywch tube station on Surrey Street onTuesday in London, England.  The counter-terrorism training exercise will involve as many as 1,000 officers and will take place across the city until Wednesday afternoon

Rob Stothard/Getty Images

Members of the emergency services take part in Exercise Strong Tower outside the disused Aldywch tube station on Surrey Street on Tuesday in London, England

Municipal workers examine the bottom of the Kura River after water was released from the dam in downtown Tbilisi, Georgia on Tuesday, June 30, 2015. Recent flooding, triggered by torrential rains, killed at least 19 people, destroyed houses and tore up roads. Six people remain missing

Shakh Aivazov/AP

Municipal workers examine the bottom of the Kura River after water was released from the dam in downtown Tbilisi, Georgia on Tuesday. Recent flooding, triggered by torrential rains, killed at least 19 people, destroyed houses and tore up roads

A young boy walks between fountains, in Nice, southeastern France, Tuesday, June 30, 2015. Temperatures in the area rose to 30 degrees Celsius (86 Fahrenheit)

Lionel Cironneau/AP

A young boy walks between fountains, in Nice, southeastern France, Tuesday. Temperatures in the area rose to 30 degrees Celsius (86 Fahrenheit)

An armed member of Houthi Group inspects the scene of a car bomb targeting a group of female mourners loyal to Shia Houthi Group in Sanaa, Yemen on Tuesday

Yahya Arhab/EPA

An armed member of Houthi Group inspects the scene of a car bomb targeting a group of female mourners loyal to Shia Houthi Group in Sanaa, Yemen on Tuesday

An Afghan policeman reacts at the site of a suicide bomb attack in Kabul, Afghanistan June on Tuesday. A suicide bomber attacked a convoy of foreign troops serving with NATO on the main road running between Kabul's airport and the U.S. embassy

Ahmad Masood/Reuters

An Afghan policeman reacts at the site of a suicide bomb attack in Kabul, Afghanistan June on Tuesday. A suicide bomber attacked a convoy of foreign troops serving with NATO on the main road running between Kabul’s airport and the U.S. embassy

A member of ground staff updates a fixtures board on day two of Wimbledon tennis tournament on June 30, 2015 in London, England. The 129th tournament to be hosted at Wimbledon is due to run for two weeks from Monday 29th June

Carl Court/Getty Images

A member of ground staff updates a fixtures board on day two of Wimbledon tennis tournament on Tuesday in London, England. The 129th tournament to be hosted at Wimbledon is due to run for two weeks

Supporters of India's All India Anna Dravida Munnetra Kazhagam (AIADMK)

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Supporters of India’s All India Anna Dravida Munnetra Kazhagam (AIADMK) party celebrate after victory in the R.K. Nagar by-election in Chennai on Tuesday.

TOPSHOTS Carrying banners calling for a "NO" vote in the forthcoming referendum on bailout conditions set by the country's creditors, protesters gather in front of the Greek parliament in Athens, on june 29, 2015.  Some 17,000 people took to the streets of Athens and Thessalonique to say 'No' to the latest offer of a bailout deal Monday, accusing Greece's international creditors of blackmail. AFP PHOTO / LOUISA GOULIAMAKILOUISA GOULIAMAKI/AFP/Getty Images

Louisa Goulia/AFP/Getty

Carrying banners calling for a “NO” vote in the forthcoming referendum on bailout conditions set by the country’s creditors, protesters gather in front of the Greek parliament in Athens, late on Monday. Some 17,000 people took to the streets of Athens and Thessalonique to say ‘No’ to the latest offer of a bailout deal Monday, accusing Greece‘s international creditors of blackmail

Pensioners waiting outside a closed National Bank branch and hoping to get their pensions, argue with a bank employee through a closed door in Iraklio on the island of Crete.

Stefanos Rapanis/Reuters

Pensioners waiting outside a closed National Bank branch and hoping to get their pensions, argue with a bank employee through a closed door in Iraklio on the island of Crete.

Armed guards patrol Marhaba beach at the scene where 38 people were killed  last Friday, on Monday, Sousse, Tunisia

Jeff J Mitchell/Getty Images

Armed guards patrol Marhaba beach at the scene where 38 people were killed last Friday, on Monday, Sousse, Tunisia

Serena Williams of U.S.A. reacts during her match against Margarita Gasparyan of Russia at the Wimbledon Tennis Championships in London...Serena Williams of U.S.A. reacts during her match against Margarita Gasparyan of Russia at the Wimbledon Tennis Championships in London, June 29, 2015

Toby Melville/Reuters

Serena Williams of U.S.A. reacts during her match against Margarita Gasparyan of Russia at the Wimbledon Tennis Championships in London on Monday

Sand art in Elie...People watch as Jamie Wardley (centre left) and Claire Jamieson (centre right) who are part of the Sand in Your Eye team, draw a violin on Elie Beach in Fife in honour of a 300 year old Stradivarius violin which is on loan to the 2015 East Neuk Festival. PRESS ASSOCIATION Photo. Picture date: Monday June 29, 2015. The drawing has been created using sticks and rakes. Photo credit should read: Andrew Milligan/PA Wire

Andrew Milligan/PA

People watch as Jamie Wardley and Claire Jamieson who are part of the Sand in Your Eye team, draw a violin on Elie Beach in Fife in honour of a 300 year old Stradivarius violin which is on loan to the 2015 East Neuk Festival. 

A member of the Kurdish security service sits next to the rubble of the security service headquarters in the northeastern Syrian city of Hasakeh on June 28, 2015, days after Islamic State (IS) group targeted the building with an explosive-rigged vehicle. IS seized two neighbourhoods in southern Hasakeh last week in a new attempt to seize the provincial capital, causing tens of thousands of people to flee, according to the United Nations

Delil Souleiman/AFP

A member of the Kurdish security service sits next to the rubble of the security service headquarters in the northeastern Syrian city of Hasakeh, days after Islamic State (IS) group targeted the building with an explosive-rigged vehicle

A woman walks through an alley as used pairs of jeans are hung to dry before they are sold in a second-hand clothes market in Kolkata, India, June 29, 2015

Rupak De Chowdhuri/Reuters

A woman walks through an alley as used pairs of jeans are hung to dry before they are sold in a second-hand clothes market in Kolkata, India on Monday