This Week in Photos, Aug 17 - Aug 23, 2012

During an unusual heat wave hitting continental Europe, a young man jumps in a fountain in front of the Eiffel tower in Paris.

More than 3,000 guests attend the second-annual Diner en Blanc at Lincoln Center in New York City. The "mysterious and refined" event, imported from France, relieoads on word-of-mouth and social media to direct the white-clad diners to the secret location at the last minute.

As the US eagerly awaits fall fashion week, models showcase designs by Suboo during the Miami Swim show at the Mercedes-Benz Fashion Festival in Sydney.

At ZSL London Zoo, zookeeper Vicky Fyson weighs and measures penguins during the zoo's annual weigh-in. Zookeepers record the height and weight of more than 16,000 animals so that zoologists can compare information on thousands of endangered species.

People start the annual 1,500-meter Lake Zurich crossing in Switzerland.

Spanish paralympians arrive at Heathrow Airport for the London 2012 Paralympic Games, which begin on August 29, 2012.

Dancers in body paint prepare to take part in the festivities marking the start of the annual harvest festival of Onam in the southern Indian city of Kochi. The 10-day-long festival is celebrated in Kerala to symbolize the return of King Mahabali to meet his beloved subjects.

In Acre, Israel, children play at an amusement park as Muslims celebrate the Eid al-Fitr holiday, which marks the end of the holy fasting month of Ramadan.

First Lady Michelle Obama hosts the first ever Kids' State Dinner in the East Room at the White House as part of her effort to fight childhood obesity. The First Lady received 1,200 healthy recipes from children around the country and 54 winners were chosen to attend.

Participants emerge from Tempelhof Airport at the Campus Party 2012 technology festival in Berlin. The Campus Party brings together 10,000 self-proclaimed hackers, nerds and bloggers for 5 days to concentrate on finding solutions to 5 problems proposed by the European Digital Agenda.

Swiss farmer Kari Gisler practices wild haying on a steep hillside on Rophaien mountain in the Swiss village of Flueelen,. The tradition of wild haying dates back nearly 200 years and is practiced on high grounds with steep hillsides that cannot be reached with animals.

Riders cycle during the fourth stage of the La Vuelta race between Barakaldo and Estacion de Valdezcaray in Spain.

Endurance swimmer Diana Nyad waves to her team after swimming from a support boat to shore in Key West, FL. Nyad failed in her fourth attempt to complete a swim across the Florida Straits from Cuba to the Florida Keys.

Municipal Guards hold up the Olympic Flag in front of the "Christ the Redeemer" statue during a blessing ceremony for the 2016 Summer Olympics in Rio de Janeiro.

Jossi Wells of New Zealand competes in the FIS Freestyle Ski Halfpipe World Cup at Cardrona Alpine Resort in Wanaka, New Zealand.