This week around the world

Mary Killman and Mariya Loroleva of the US are seen underwater as they perform in the synchronised swimming duets technical routine qualification round.

A man looks at his phone screen at a shipyard on the Yangtze River in Fengji, China.

Great Britain's Peter Kirkbride reacts during his men's 94Kg group B weightlifting competition.

Men with pneumatic drills break rocks near a construction site at Burma/Myanmar's new capital Naypyitaw.

A devotee offers prayer during the Janai Purnima, or Sacred Thread, Festival at the Pashupatinath temple in Kathmandu. Hindus take holy baths and change their sacred threads, also known as janai, for protection and purification during the festiva

Russia's Yelena Isinbayeva fails to clear the bar in the women's pole vault final.

China's Ruixue Jing fights with North Korea's Un Gyong Choe in the Women's 63Kg Greco-Roman wrestling event.

Firefighters douse a flame at the Chevron oil refinery in in Richmond, California.

In this image from NASA TV, shot off a video screen (so it still belongs in this gallery!), one of the first images from the Curiosity rover is pictured of its wheel after it successfully landed on Mars.

A young Somali girl running.

Typhoon victims play at an evacuation center in Tondo, Manila. Typhoon Gener has left the Philippines but not without destruction and death toll reaching 46.

Jamaica's Usain Bolt runs and wins the men's 200m final.

Artists work on a giant city map of Berlin that is drawn on a concrete square in central Berlin. The walk-on piece will be opened to the public on August 25 for the 775th anniversary celebration of the founding of Berlin.

A protester holds a placard in support of Russian punk band Pussy Riot, outside the Russian embassy in Berlin. Members of Germany's Green Party, accompanied by three women dressed in the style of Pussy Riot, handed over to embassy staff a letter of solidarity for the imprisoned members of the controversial punk band, demanding their immediate release.

Students exit a building where they were introduced to the effects of tear gas as part of their chemical, biological, and radiological training during a summer military boot camp in Ansan, South Korea.

Local residents dance at a square next to the Yangtze River in Badong, Hubei, China.

Turkey's Merve Aydin cries after she came in last in her women's 800m round 1 heat. She completed the race despite an injury, limping to a standing ovation.

US President Barack Obama speaks during an election campaign rally in Pueblo, Colorado.

Residents are seen near a damaged building after shelling by forces loyal to President Bashar al-Assad in Binsh near Idlib, Syria.

A labourer carries a container of mud while working on a roadside as it rains in Noida on the outskirts of New Delhi, India.