Zimbabweans arrive to vote at a polling booth in a school in Harare

Alexander Joe/AFP

Zimbabweans arrive at a polling booth in a school in Harare. Crisis-weary Zimbabweans were voting on Wednesday in a fiercely contested election dominated by veteran president Robert Mugabe’s bid to extend his 33-year rule and suspicions of vote rigging.

A shovel sits in oil-covered sand at Ao Phrao beach

Nicolas Asfourni/AFP

A shovel sits in oil-covered sand at Ao Phrao beach as volunteers work to clean up the area after a major oil slick hit the island of Ko Samet in Thailand. Environmentalists accused a Thai energy company on Tuesday of understating the extent of the pipeline leak as the navy warned the oil slick might reach the mainland. Tourists were leaving the resort island of Ko Samet as workers in protective suits used hoses, buckets and shovels to clean up blackened sand and oil which washed ashore on the once-idyllic beach.

Pedestrians walk past pollard willows on the river Rhine bank in Duisburg, Germany.

Frank Augstein/AP

Pedestrians walk past pollard willows on the Rhine riverbank in Duisburg, Germany.

Shi'ite Muslims place copies of the Koran on their heads during a ceremony marking the death anniversary of Imam Ali at his shrine in the holy city of Najaf, about 160 km (100 miles) south of Baghdad.

Ahmad Mousa/Reuters

Shia Muslims place copies of the Koran on their heads during a ceremony marking the anniversary of the death of Imam Ali at his shrine in the holy city of Najaf, about 160km south of Baghdad, Iraq.

People slide down a huge water pipe at a public swimming pool on a hot sunny day in Vienna

Leonhard Foeger/Reuters

People slide down a huge water pipe at a public swimming pool in Vienna, as temperatures in Austria’s capital reached nearly 36 degrees Celsius on Monday. The country’s Central Institute for Meteorology and Geodynamics predicts a record temperature of 39 degrees Celsius in the next few days.

Members of the Mongolian Armed Forces Orchestra watch the New Zealand Army Band peform at the launch of the Edinburgh Military Tattoo

David Cheskin/PA

Members of Mongolia’s military orchestra take pictures at the launch of the Edinburgh Military Tattoo which takes place at Edinburgh Castle from August 2-24. An estimated 220,000 visitors are expected to see the performances during the three-week event.

Graffiti depicting "Lord of the Rings" character Gollum is seen outside a fence surrounding the construction site for the new headquarters of the European Central Bank (ECB)

Kai Pfaffenbach/Reuters

Graffiti depicting Lord of the Rings character Gollum is seen on a fence surrounding the construction site for the new headquarters of the European Central Bank in Frankfurt. The ECB council will hold its monthly meeting on Thursday in the German city

A blue French cockerel by German artist Katharina Fritsch is unveiled on top of the forth plinth in Trafalgar Square

Dan Kitwood/Getty Images

A blue French cockerel by German artist Katharina Fritsch is unveiled in Trafalgar Square in London, England. The five-metre high fibreglass cockerel was installed as the ninth sculpture to occupy the vacant fourth plinth in Trafalgar Square.

Model maker places a Lego model of HRH Prince George of Cambridge outside a model of Buckingham Palace

Matthew Lloyd/Getty Images

Model maker Katrina James places a Lego model of Prince George of Cambridge outside a model of Buckingham Palace, part of a new attraction created to commemorate the birth of Prince George at the Legoland resort in Windsor, England. 

A boy cools off in a fountain at a park in Shanghai, China

Eugene Hoshiko/AP

A boy cools off in a fountain at a park in Shanghai, China. Hot weather has set in with temperatures rising up to 40 degrees Celsius in Shanghai.