Building X in Zurich by Gigon Guyer Partner

Railway Tracks as a Supporting Structure - How Does That Work? 

 - Jakob Schoof

Around 180 kilometres of track are replaced every year on the Swiss rail network. Until now, all this scrap metal has been melted down. However, the first building with a steel framework made from recycled rails will soon be constructed in western Zurich.

Railway Tracks as a Supporting Structure - How Does That Work? 
The new seven-storey building on Hohlstrasse in Zurich will comprise a ground floor with retail space and public service areas, and five upper floors with commercial space. © Zuend