A woman clad in her self-made mermaid costume swimming in a pool in China's southwest Chongqing municipality. (AFP) 
Russia's Natalia Ishchenko and Svetlana Romashina perform during the synchronised swimming duet free preliminary at the Swimming World Championships in Kazan, Russia. (AP)
A security guard looks on outside a panda enclosure building where giant 37-year-old panda Jia Jia is housed at an amusement park in Hong Kong. (AFP)
Giant panda Jia Jia eats beside a birthday cake made from ice and vegetables as she celebrates her 37-year-old birthday at the Hong Kong Ocean Park, China. (Reuters)
Giant panda Jia Jia eats beside a birthday cake made from ice and vegetables as she celebrates her 37-year-old birthday at the Hong Kong Ocean Park, China. (Reuters)
Spanish bullfighter Lorenzo Sanchez is gored by a Arauz de Robles's ranch fighting bull during a bullfight at Las Ventas bullring in Madrid, Spain. (AP)
Two fire fighting helicopters pass near each other over Willow Creek Canyon as a wildfire continues burning in the Sierra near Bass Lake. (AP)
A woman pushes her Fiat 500 car as her dog sits inside, in a neighbourhood of Rome. (Reuters)
Workers make adjustments to surveillance cameras on a lighting pole in Tiananmen Square in Beijing. (AFP)
A man rides a improvised bicycle, which can travel through water, at a flooded street after heavy rainfall hit Wuhan, Hubei province, China. (Reuters)
Staff exhaling vapour while demonstrating their electronic cigarette products at the Beijing International Vapor Distribution Alliance Expo. (AFP)
A dead camel in the middle of a road after a car hit the stray animal in the desert in the southwestern region of Jazan, resulting in the death of four members of a Saudi family on the spot, while their three sons suffered serious injuries, the Red Crescent said. (AFP)
A man and his dog bath in the Arges river in Adunatii Copaceni village next to Bucharest during a hot summer day. (AFP)
A dog participates in a dog costume contest in Santa Ana, El Salvador. (AFP)