Holmenkollen ski arena

Holmenkollen National Arena (Norwegian: Holmenkollen nasjonalanlegg) is a Nordic skiing and biathlon venue located at Holmenkollen in Oslo, Norway. It consists of the large ski jumping hill Holmenkollbakken, the normal hill Midtstubakken and a stadium for cross-country skiing and a shooting range for biathlon. Since 1892, it has hosted the annual Holmenkollen Ski Festival, which is part of the world cup tournaments in ski jumping, cross-country skiing, Nordic combined, as well as annual Biathlon World Cup races. It has previously hosted the 1952 Winter Olympics, and the FIS Nordic World Ski Championships in 1930, 1966, 1982 and 2011.

Holmenkollbakken is a large ski jumping hill with a hill size of 134 and a construction point (K-spot) of 120. It has a spectator capacity for 70,000. The current structure dates from 2010 and consists of a 64 meters (210 ft) tall superstructure. The top of the structure is 420 meters (1,380 ft) above mean sea level. It is the first hill in the world with a permanent wind screen; it is able to restrain 45 to 50 percent of the wind.

...
Wikipedia