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 today. Jia Jia is the oldest giant panda living in captivity, setting a Guinness World Record.
Competitors run on their arms and legs on a race course in a preliminary race during the Guinness World Record the 100-meter running on all fours at Komazawa Olympic Park Stadium in Tokyo in celebration of Guinness World Records Day. The 18-year-old Japanese Katsumi Tamakoshi set new record of 15.86 seconds Thursday.
Rotary members and friends climb Sydney Harbour bridge in an attempt to break the world record for the most people on the bridge at one time and the most flags on the bridge at one time
Alexandre Marchi/L'est Republicain/AP
Over 400 hot-air balloons took off in Chambley-Bussières, eastern France, on Wednesday in an attempt to set a world record for collective take-off.