Wolffkran Cranes celebrates 100th birthdayTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoTober, Hagen01/08/2014January 8, 2014The tower crane is celebrating its 100th birthday. The first one was built with the help of the company Wolffkran from southern Germany.https://p.dw.com/p/1An35Advertisement