Paraguay bus drivers Elvio Cristaldo, left, Eligio Martinez, center and Clemente Lovera, lie crucified to crosses inside a tent during a hunger strike in protest over losing their jobs after demanding social security benefits and reduced working hours, in San Lorenzo, Paraguay, Wednesday, Sept. 10, 2014.

Jorge Saenz/AP

Paraguay bus drivers Elvio Cristaldo, left, Eligio Martinez, centre and Clemente Lovera, lie crucified to crosses inside a tent during a hunger strike in protest over losing their jobs after demanding social security benefits and reduced working hours, in San Lorenzo, Paraguay

A photographer clambers along mounds of potassium waste from the local salt mine in the town of Soligorsk, some 140 km south from Minsk, on September 10, 2014. Soligorsk which translates into "The town of salt" has one of the biggest potassium deposits in the world, producing and exporting potash fertilizers.

Sergei Gapon/AFP

A photographer clambers along mounds of potassium waste from the local salt mine in the town of Soligorsk, some 140 km south from Minsk on Wednesday. Soligorsk which translates into “The town of salt” has one of the biggest potassium deposits in the world

A dancer has his body painted to look like a tiger before he performs during festivities marking the end of the annual harvest festival of Onam in Trichur...A dancer has his body painted to look like a tiger before he performs during festivities marking the end of the annual harvest festival of Onam in Trichur, in the southern Indian state of Kerala September 10, 2014. The ten-day long festival is celebrated annually in India's southern coastal state of Kerala to symbolise the return of King Mahabali to meet his subjects. REUTERS/Babu (INDIA - Tags: SOCIETY)

Babu/Reuters

A dancer has his body painted to look like a tiger before he performs during festivities marking the end of the annual harvest festival of Onam in Trichur, in the southern Indian state of Kerala. The ten-day long festival is celebrated annually in India’s southern coastal state of Kerala to symbolise the return of King Mahabali to meet his subjects. Read more

Commuters walk under the rain along Comercio square during a partial strike by Lisbon's subway workers, in Lisbon, Wednesday, Sept. 10, 2014. The subway staff walked off the job during the morning rush hour in a protest against pay cuts and the company's possible privatization. The strike brought misery to commuters who faced long queues for buses in the rain.

Francisco Seco/AP

Commuters walk in the rain through Comercio square during a partial strike by Lisbon‘s subway workers on Wednesday

A Pro-Russian separatist fighter holds a...A Pro-Russian separatist fighter holds a grenade as he stands guard at a check point on September 10, 2014 on a road of the Donetsk airport.   Ukrainian President Petro Poroshenko said on Wednesday that most Russian troops had been withdrawn from the country, in a move he said boosted the prospects for peace.                                 AFP PHOTO/PHILIPPE DESMAZESPHILIPPE DESMAZES/AFP/Getty Images

Philippe Desmazes/AFP/Getty

A Pro-Russian separatist fighter holds a grenade as he stands guard at a checkpoint on a road to Donetsk airport. Ukrainian President Petro Poroshenko said on Wednesday most Russian troops had been withdrawn from the country, in a move he said boosted the prospects for peace Read more

A woman (C) walks amongst US national flags erected by students and staff from Pepperdine University to honor the victims of the September 11, 2001 attacks in Malibu, California on September 9, 2014. The students placed some 3,000 flags in the ground in tribute to the nearly 3,000 victims lost in the attacks almost 13 years ago. AFP PHOTO / Mark RALSTONMARK RALSTON/AFP/Getty Images

Mark Ralston/AFP/Getty Images

A woman walks among some 3,000 US national flags erected by students and staff from Pepperdine University Malibu, to honor the victims of the September 11 2001 attacks

In this photograph taken on September 7,...In this photograph taken on September 7, 2014, Afghan labourer Nayim,42, works at a leather factory in the Tashqurghan district on the outskirts of Mazar-i-sharif. Animal hide is one of the top exports in Afghanistan, often sent through neighbouring Pakistan to international leather markets worldwide. AFP PHOTO/FARSHAD USYANFARSHAD USYAN/AFP/Getty Images

Farshad Usyan/AFP/Getty

Afghan labourer Nayim, 42, works at a leather factory in the Tashqurghan district on the outskirts of Mazar-i-sharif. Animal hide is one of the top exports in Afghanistan, often sent through neighbouring Pakistan to international leather markets worldwide Read more

Horse whisperer Martin Tata lies with his five-year-old horse "Primavera" as he performs a demonstration of "Indian taming" at the Polo Club Puesto Viejo ranch in Canuelas

Enrique Marcarian/Reuters

Horse whisperer Martin Tata lies with his five-year-old horse ‘Primavera’ as he performs a demonstration of ‘Indian taming’ at the Polo Club Puesto Viejo ranch in Canuelas, northeast of Buenos Aires, Argentina

Autumn weather Sept 10th 2014...A general view of the sunrise over Llyn Dinas, near Beddgelert, Snowdonia, North Wales. PRESS ASSOCIATION Photo. Picture date: Wednesday September 10, 2014. Photo credit should read: Neil Squires/PA Wire

Neil Squires/PA

Sunrise over Llyn Dinas, near Beddgelert in Snowdonia, North Wales Read more

Supermoon Appears Big And Bright In Night Sky...LAS VEGAS, NV - SEPTEMBER 09:  The supermoon rises east of the South Point Hotel & Casino on September 9, 2014 in Las Vegas, Nevada.  A supermoon occurs when a full moon coincides with its perigee, which is its closest approach to the Earth.  To have three in such close proximity is very rare and it is not expected that this will happen again until 2034. (Photo by Ethan Miller/Getty Images)

Ethan Miller/Getty

The supermoon rises east of the South Point Hotel & Casino in Las Vegas, Nevada. A supermoon occurs when a full moon coincides with its perigee, its closest approach to the Earth. Last night’s was the third of 2014, a frequency unlikely to happen again until 2034 Read more