The world's highest climbing wall is situated in the town of Groningen, The Netherlands. It is 37 metres high and is known as the Excalibur.

 Underwater diving is the practice of going underwater, either with breathing apparatus (scuba diving and surface supplied diving) or by breath-holding (free diving).

 Among the most famous mountain climbers in history, he was one of the first two individuals known to have reached the summit of Mount Everest, which he accomplished with Edmund Hillary on 29 May 1953. (Wikipedia)

 Christophe Dumarest and his climbing partner Yann Borgnet stood on the summit of Mont-Blanc. They had achieved something remarkable, the dream of every Alpinist. After 6 extremely tough days, they had completed Mont-Blanc’s three mythical routes, in the footsteps of the Grand Master, Walter Bonatti: the North Face of the Grandes Jorasses, the Grand Capucin and the Pillier Rouge du Brouillard. (ex3m)

 Skateboarding is an action sport which involves riding and performing tricks using a skateboard. Skateboarding can also be considered a recreational activity, an art form, a job, or a method of transportation.Skateboarding has been shaped and influenced by many skateboarders throughout the years. (wikipedia)

 The tallest artificial climbing wall was opened in Reno, U.S. Outdoor wall routes are over 160 feet long. (Extrim-All.ru)

 In Central Europe, the Czech Republic is one of the largest climbing wall in the open air. It has a height of 15 meters and a diameter of 80 meters. There are more than 80 climbing routes. (Extrim-All.ru)

 There is indeed such a climbing wall situated at the new “Illoiha Omotesando” fitness club in Tokyo. Japanese designer Nendo has altered the usual indoor rock wall image with picture frames, birdcages, flower vases, mirrors and even deer heads instead of the usual rock-shaped holds.