Bulls compete in the Herens national cow fighting championships in Aproz, Switzerland. | (EPA-EFE/JEAN-CHRISTOPHE BOTT)

A man bends a metal pole by pressing it into his eye during a kung fu showcase in Du Xa Thuong, Vietnam. | (REUTERS/Kham)

Protesters illuminated by tear smoke shells in Srinagar, India. | (EPA-EFE/FAROOQ KHAN)

An election volunteer cleans windows at a voting center in Pekan, Malaysia. | (AP Photo/Aaron Favila)

A worker in the drying room of a rubber glove factory in Karachi, Pakistan. | (EFE/SHAHZAIB AKBER)

A worker sets up a poster at the Cannes Film Festival in France. | (EPA-EFE/SEBASTIEN NOGIER)

A maintenance worker on the center dome of the Queen Victoria Building in Sydney, Australia. | (AP Photo/Rick Rycroft)

Refugees and migrants on rescue boats north of the Libyan coast. | (AP Photo/Felipe Dana)

Cyclists compete in southern Israel. | (EPA-EFE/ABIR SULTAN)

Russian military planes fly over Red Square in Moscow. | (AP Photo/Pavel Golovkin)

People ride on a swing carousel in Strumica, Macedonia. | (REUTERS/Ognen Teofilovski)

Fireworks explode over a statue in Volgograd, Russia. | (REUTERS/Tatyana Makeyeva)

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