10 Photo highlights of the day

A blanket of fog creates an other-worldly view over the city of Vancouver in Canada. The thick fog has covered the coast for more than a week, playing havoc with transport systems as flights and ferries have been cancelled and road travel has been treacherous. Photograph: Liang Sen/Xinhua Press/Corbis

Palestinian children play with tyres on the beach in Deir al-Balah in the central Gaza Strip. Photograph: Mohammed Abed/AFP/Getty Images

It seems it's no laughing matter for these clowns taking a break on the first day of the International Clown Convention in Mexico City. Clowns from all over Latin America have gathered in Mexico City to exchange experiences, brush up on their clown techniques and learn some new tricks. Photograph: Dario Lopez-Mills/AP

Alain Kohl of Luxembourg is brilliantly caught on camera in mid-dive from the 27-metre platform at Maya Bay during the 2013 Cliff Diving World Series on Phi Phi island in Thailand. Photograph: Red Bull via Getty Images

The cows are still in the meadow near Seeshaupt in Germany as forecasters predict mild weather for the end of this week. Photograph: Matthias Schrader/AP

Birds for sale, going cheap! A trader is photographed at the Stow-on-the-Wold horse fair in Gloucestershire. The event has existed for hundreds of years, with members of the travelling community meeting and trading goods. Photograph: Ben Birchall/PA

The astronauts in the International Space Station liven up their day with few star jumps for the camera. Photograph: NASA/EPA

Amid speculation that she has been bugged by the US, the German chancellor, Angela Merkel, emerges with a wary glance from her car for the European People's party meeting in Meise near Brussels. Photograph: François Lenoir/Reuters

Patients suffering from dengue fever are treated in an isolation ward at a hospital in Rawalpindi, Pakistan. Dengue, a flu-like illness spread by the Aedes mosquito, spikes during the annual monsoon when puddles of stagnant water form where the insects breed. Photograph: Muhammed Muheisen/AP

Heavy smoke fills the forest as a firefighter and his team prepare to battle approaching flames from a bushfire near Faulconbridge in the Blue Mountains near Sydney, Australia. More than 200 homes in the area have been destroyed in the past week. Photograph: Saeed Khan/AFP/Getty Images