An exhibitor demonstrates a high speed electric motor for bicycle at the Vancouver Bike Show in Vancouver, Canada, March 4, 2017. The show aimed to promote cycling as a healthy and environmental friendly lifestyle.(Xinhua/Liang Sen)
An exhibitor demonstrates a high speed electric motor for bicycle at the Vancouver Bike Show in Vancouver, Canada, March 4, 2017. The show aimed to promote cycling as a healthy and environmental friendly lifestyle.(Xinhua/Liang Sen)