First you're taken slowly up and then released down in what feels like free fall - most people love roller coasters. The constructions of steel are masterpieces of engineering art. Now a new roller coaster is being built by hand in Germany, a mixture of wood and state-of-the-art technology.
The wooden roller coaster from Mack Rides in the city of Waldkirch.
A report by Manuela Kasper-Claridge.
