The Week in Pictures: July 23-30

Africa welcomes President Obama, fires threaten California homes, a lions sleeps through surgery, protesters face off against water cannons and more.

The full moon rises over the illuminated Kazan Kremlin with the Qol Sharif mosque illuminated in Kazan, the capital of Tatarstan, located in Russia's Volga River area about 450 miles east of Moscow, early Wednesday July 29, 2015. Denis Tyrin / AP
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