TOPSHOTS A migrant carrys his child on his back after arriving on a beach on the Greek island of Kos, after crossing a part of the Aegean Sea between Turkey and Greece, on August 11, 2015. The number of migrants and refugees arriving on Greece's shores has exploded this year, but the Mediterranean country provides virtually no reception facilities and leaves them wallowing in "totally shameful" conditions, a UN official said on August 7. AFP PHOTO / ANGELOS TZORTZINIS