Hiker is a man cultivating climbing. Usually, he/she is characterized by lack of attention to his/hers lives , masochism and convincing everyone around him that what he does is safe. Most often they occur in herds , around the mountains, rocks and large stones. The municipal climbers gather at quarries, bridges, old walls ; often , however, that this whole hiking will accumulate with each encountered ruins , the city allows you to build artificial climbing wall.