A Muslim pilgrim prays on a rocky hill called the "Mountain of Mercy," on the Plain of Arafat, near the holy city of Mecca, Saudi Arabia on Wednesday, Sept. 23, 2015 during the hajj pilgrimage. Mount Arafat, marked by a white pillar, is where Islam's Prophet Muhammad is believed to have delivered his last sermon to tens of thousands of followers some 1,400 years ago, calling on Muslims to unite.
Ultra-Orthodox Jews run to get a spot by the Yarkon springs just before the beginning of the Tashlich ceremony near Rosh Haain, central Israel on Monday, Sept. 21, 2015. Tashlich, which means "to cast away" in Hebrew, is a practice in which Jews go to a large flowing body of water and symbolically expel their sins by throwing a piece of bread or similar food into the water before the Jewish holiday of Yom Kippur.
A youth looks through the window of a train he boarded with other migrants and refugees, close to Croatia's border with Serbia, in Tovarnik, Croatia on Monday, Sept. 21, 2015. Croatia has been under extreme pressure since thousands of asylum seekers got stuck there after Hungary shut its border last week.
A Syrian refugee splashes in the water as he approaches the shores of Lesbos island after jumping from a inflatable dinghy that carried him with others from Turkey to Greece on Wednesday, Sept. 23, 2015. More than 260,000 asylum-seekers have arrived in Greece up to this point, most reaching the country's eastern islands on flimsy rafts or boats from the nearby Turkish coast.
Pope Francis, foreground, is greeted by Cuba's President Raul Castro as he arrives to celebrate Mass in the Plaza of the Revolution, in Holguin, Cuba, Monday, Sept. 21, 2015.
Demonstrators protest against the military coup in Ouagadougou, Burkina Faso on Saturday, Sept. 19, 2015. On Wednesday, Sept. 23, 2015, Interim President Michel Kafando returned to power, a week after the elite presidential guard had seized power.
A worker assembles a wooden Jesus Christ statue during preparations for the altar where Pope Francis will celebrate Mass in the Plaza of the Revolution, in Havana, Cuba, Thursday, Sept. 17, 2015.
The sun dips behind a cloud as it rises between tall buildings in downtown Kansas City, Mo., on Wednesday, Sept. 23, 2015. Wednesday marked the autumnal equinox, or the beginning of fall, in which day and night are balanced to about 12 hours each.