The amount of energy being used to power Christmas lights has been a major topic this season, but in Geneva there are Christmas trees will only be lit when you pedal.
The trees on the Place du Rhône are linked to several static bikes equipped with a generator.
If passers-by want to see the lights, they have to work for it.
The trees have been installed by the city and is designed to highlight the importance of energy.
Thousands demonstrate in Geneva
Around 2,000 public sector workers took to the streets in Geneva yesterday afternoon, marking their fourth strike in six months.
Geneva to fight French road plan
The City of Geneva is stepping up its fight against the planned A412 autoroute between Machilly and Thonon in neighbouring France.
Switzerland seeks sovereign defence AI
Switzerland is stepping up efforts to secure its own military-grade artificial intelligence.
Immigration keeps us young
Immigration is playing a key role in keeping Switzerland’s population younger - and its social systems afloat.
We're embracing AI
Artificial intelligence is spreading fast in Switzerland.
Remember, radar detectors are illegal
Trying to outsmart speed cameras in Switzerland can backfire.
