REWIND:Stunning PHOTOS of the week

Here's a collection of some of the best photos from around the globe.

China's Huang Xuechen performs in the synchronised swimming solo free final during the World Swimming Championships at the Sant Jordi arena in Barcelona.   

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Catholic faithful crowd the streets and Copacabana Beach as Pope Francis gives mass to those attending the World Youth Day, in Rio de Janeiro. Pope Francis told Catholic clergy to leave their comfort zones and smug surroundings and reach out to serve the poor and needy.                

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A woman and her dog cool off at a fountain in a park during a heat wave in central Prague.

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Nick "The Quick" Nica of Montreal, Quebec, draws and fires his single action revolver while competing in the Canadian Open Fast Draw Championships in Aldergrove, British Columbia. The present-day Fast Draw competition was born from the Hollywood myth of the western gunfighter, and the idea is to draw a single action revolver from a holster, and cock, fire and hit a designated target in the shortest possible time.

No live ammunition is ever used, only blank cartridges or wax bullets. The targets are either a metal silhouette used with wax bullets or balloons that burst from the muzzle blast from the blank cartridges. A light atop the timer signals the competitor when to fire and once the target is hit, it turns the timer off, measuring the speed to thousandths of a second.

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A fireman carries a wounded victim from the wreckage of a train crash near Santiago de Compostela, northwestern Spain.

A train derailed outside the ancient northwestern Spanish city of Santiago de Compostela killing at least 77 people and injuring up to 131 in one of Europe's worst rail disasters.

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A Free Syrian Army fighter fires back towards what he said were forces loyal to Syria's President Bashar Al-Assad in Deir al-Zor.

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A man with tattoos on his body and his eyes is pictured during the third International Tattoo Festival in Sao Paulo.

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A leopard yawns inside its enclosure at the Madrid Zoo.

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Smoke from the Mountain Fire obscures the sun as a fire fighting helicopter heads to fight the Mountain Fire after picking up water from Lake Hemet near Idyllwild, California. The massive wildfire in Riverside County grew to 23,000 acres and advanced towards the mountain town of Idyllwild on one front and city of Palm Springs on the other front destroying several homes and forcing the evacuation of 6,000 people.

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