Doris Long, also known as "Daring Doris"，celebrates her 100th birthday by abseiling the Spinnaker Tower in the British city of Portsmouth, Hampshire, May 18. She only began the pastime at 85 and holds the world record for the oldest person to take part in the activity. [Photo/icpress.cn]

Tightrope walker completes walk over Seine river in Paris

Cleaners need head for heights

Walking on air