Migrants walk along in the sunset after crossing into Hungary from the border with Serbia near Roszke, Hungary, August 30, 2015. Photo: ReutersRussian President Vladimir Putin exercises in a gym at the Bocharov Ruchei state residence in Sochi, Russia, August 30, 2015. Picture taken August 30, 2015.Photo: ReutersMiley Cyrus poses backstage after hosting the 2015 MTV Video Music Awards in Los Angeles, California, August 30, 2015. Photo: ReutersClarissa Mar’a Molina Contreras, 23, celebrates after being crowned as Miss Dominican Republic 2015 in Santo Domingo, Dominican Republic on August 30, 2015. Molina will represent the country in the Miss Universe. Photo: AFPIn this photograph taken on August 6, 2015, silkworms cling on the branches of Arjuna trees, in the Banka district of the eastern state of Bihar. Photo: AFPA child with his face painted with the national flag smiles during National Day celebrations at Independence Square in Kuala Lumpur on August 31, 2015. Photo: AFPThe Soyuz TMA-18M spacecraft is transported to a launch pad at the Russian-leased Baikonur cosmodrome in Kazakhstan early on August 31, 2015. Photo: AFPThe Soyuz TMA-18M spacecraft is transported to a launch pad at the Russian-leased Baikonur cosmodrome in Kazakhstan early on August 31, 2015. Photo: AFPThe sun shines through the clouds over a launch pad at the Russian-leased Baikonur cosmodrome in Kazakhstan early on August 31, 2015. Photo: AFPA Nepalese Buddhist devotee wears a mask as he participates in the Neku Jatra-Mataya festival in Patan, on the outskirts of Kathmandu on August 31, 2015. Photo: AFP