Darrera installs and commissions 4 high performance wind stations in the new L9 line of the Barcelona Metro, which will allow studies on the impact of wind on trains passing through the surface-level stations.
Darrera installs 4 wind stations in the new L9 line of the Barcelona Metro
![Darrera installs 4 wind stations in the new L9 line of the Barcelona Metro Darrera installs 4 wind stations in the new L9 line of the Barcelona Metro](https://www.darrera.com/wp-content/uploads/2014/07/news-darrera-installs-4-wind-stations-new-l9-line-barcelona-metro.jpg)