Senior Iranian officials place flowers on the caskets of Iranian pilgrims, killed in a stampede at the annual hajj, during a repatriation ceremony upon their arrival in Tehran on October 3, 2015.

Palestinians wave their national flags as they watch a live-screening of president Mahmoud Abbas' speech followed by the raising of the Palestinian flag at the UN headquarters in New York, on Sep. 30, 2015.

Palestinian flag raised at UN headquarters

Two men swim towards the Greek island of Lesbos as migrants and refugees cross the Aegean sea from Turkey on September 29, 2015.

Supermoon lunar eclipse 2015

Palestinians demonstrate in front of the Dome of the Rock after Israeli forces attacked Palestinians at Al-Aqsa Mosque compound, on September 27, 2015.

This is a picture of the Pyramid of shoes in the annual demonstration by the NGO Handicap International to denounce the use and sale of anti-personnel landmines, in Lyon, central France on September 26, 2015.

Hot air balloons fly over the French cliff-top medieval town of Rocamadour during the Rocamadour Hot Air Balloon Festival on September 26, 2015.

Saudi emergency personnel stand near bodies of Hajj pilgrims at the site where at least 717 were killed and hundreds wounded in a stampede in Mina on September 24, 2015.

Palestinian Muslim worshipers pray at the al-Aqsa Mosque compound in Jerusalem's old city during the celebration of the Eid al-Adha, on September 24, 2015.