An Egyptian policeman patrols as tourists walk through the ruins of the Karnak Temple in Luxor, Egypt, Thursday, June 11, 2015 (Photo: AP)
A tourist looks at the ruins of the Karnak Temple in Luxor, Egypt, Thursday, June 11, 2015 (Photo: AP)
Tourists visit the ruins of the Karnak Temple in Luxor, Egypt, Thursday, June 11, 2015 (Photo: AP)
A policeman (L) rides a camel while guarding the site of the pyramids plateau, Egypt, June 11, 2015 (Photo: Reuters)
Members of Palestinian national security forces loyal to Hamas demonstrate their skills during a military graduation ceremony in the northern Gaza Strip, June 11, 2015 (Photo: Reuters)
Mumbai skyline and a boy playing in the waves are silhouetted against pre monsoon clouds during a high tide on the Arabian Sea coast in Mumbai, India, Thursday, June 11, 2015 (Photo: AP)
A demonstrator dressed as a police officer looks on during a demonstration to demand changes in the education system in Santiago, Chile, June 10, 2015 (Photo: Reuters)
The Eastern Star cruise ship is covered in fog as it is being towed to a safer area, after it capsized in the Jianli section of the Yangtze River, in Huarong county, Hunan province, China, June 11, 2015 (Photo: Reuters)
Tourists wearing masks to prevent contracting Middle East Respiratory Syndrome (MERS) watch the daily re-enactment for the changing of the Royal Guards at Deoksu Palace in central Seoul, South Korea, June 11, 2015 (Photo: Reuters)
A Sri Lankan man walks on a rail track as others wait for train at a railway station on the coastal line in Colombo, Sri Lanka, Thursday, June 11, 2015 (Photo: AP)
Tourists enjoy a bicycle tour during a sunny summer morning near the Pyramid in the Louvre museum in Paris, France, June 11, 2015 (Photo: Reuters)
People ride on the back of a pick-up truck in an outskirts of Yemen's capital Sanaa June 11, 2015 (Photo: Reuters)
An aerial view of Lady Elliot Island located north-east of the town of Bundaberg in Queensland, Australia, June 11, 2015 (Photo: Reuters)
The Milky Way is seen in the sky above a path and huts on Lady Elliot Island located north-east of the town of Bundaberg in Queensland, Australia, June 10, 2015 (Photo: Reuters)