Syrian migrants wait in Mythimna on Lesbos Island to board a bus which will transport them to Mytilene in a temporary reception center set up by foreign volunteers. (August 22, 2015)

Migrants wait to cross the Macedonian-Greek border near the town of Gevgelija on August 20, 2015.

Picture taken from Sangolqui of the Cotopaxi volcano spewing ash on August 20, 2015.

A man prepares to throw a burning tire as farmers protest in front of the prefecture early on August 19, 2015 in Saint-Lo, northwestern France.

Deadly blast rocks Thailand capital

Children sleep or sit outside the port while waiting with other migrants to enter the port to board the Eleftherios Venizelos liner which will serve as their registration and for some housing facility on August 16, 2015.

A Yemeni child is inoculated against polio during an immunization campaign at a health center on August 15, 2015, in the Yemeni capital Sana’a.

South Korean activists hold placards showing portraits of Japan's Prime Minister Shinzo Abe during a rally to mark the 70th anniversary of Japan's surrender in World War II in Seoul on August 15, 2015.

Mayan culture in danger

Smoke billows behind rows of burnt out cars at the site of a series of explosions in Tianjin, northern China on August 13, 2015.