Title: fold mountains
Headings: 

Content: When plates and the continents riding on them collide, the accumulated layers of rock crumple and fold like a tablecloth that is pushed across a table. There are two types of fold mountains: young fold mountains (10 to 25 million years of age, e.g. Rockies and Himalayas) and old fold mountains (over 200 million years of age, e.g. Urals and Appalachians of the USA). Human activity in fold mountains - The Alps
The Alps are home to eleven million people and thus the most densely populated mountain area in the world. The economy of this region is based on the exploitation of the coniferous forest and pasturing dairy cattle, and tourism plays an important role. Tourism
Since the end of the second world war The Alps have become the winter and summer play ground of European urban dwellers. Winter
The Alps are a very popular destination amongst winter tourists. Ski resorts such as Val d'Isere and Les Deux Alps have been purpose-built. These areas are very crowded in the winter but tend to be quieter in the summer. However, traditional ski resorts tend to be busy throughout the year.