Sunflowers wilt during a heatwave near the village of Kamen Brag, Bulgaria. | (EPA-EFE/VASSIL DONEV)

A capsized boat adrift in the Florida Keys. | (REUTERS/Carlo Allegri)

A Rohingya Muslim girl holds her few-hours-old brother as doctors check her mother in Kutupalong refugee camp, Bangladesh. | (AP Photo/Dar Yasin)

People take pictures from the campus of Pepperdine University as the sun sets over the Pacific Ocean in Malibu, California. | (EPA-EFE/MIKE NELSON)

Passengers ride a tram in Kiev, Ukraine. | (REUTERS/Valentyn Ogirenko)

Athletes dive in at the start of the Spanish Triathlon Championship in Valencia, Spain. | (EPA-EFE/Juan Carlos Cardenas)

A lightning bolt strikes over the village of Bardovci, Macedonia. | (EPA-EFE/SASO LICOVSKI)

A Syrian man living in Cyprus kisses his children, who recently arrived at a refugee camp, outside Nicosia, Cyprus. | (REUTERS/Yiannis Kourtoglou)

A tightrope walker performs in front of the Major Cathedral in Marseille, France. | (REUTERS/Jean-Paul Pelissier)

The 6th annual Day of Colors in Thermi, Greece. | (REUTERS/Alexandros Avramidis)

A California sea lion and walrus kiss during a show at an amusement park in Yokohama, Japan. | (AP Photo/Itsuo Inouye)

A boat sails on the Nile River near Cairo. | (EPA-EFE/MOHAMED HOSSAM)

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