Across a number of projects in the last few years, the French art collective Hehe has created four working versions of alternative rail vehicles.
Radeau de Sauvetage, Géographies variables, L’école européenne supérieure d’art de Bretagne, Lorient, 2013
M-Blem, 2012
Tapis Volant à Saint Denis, France
Métronome – the train project, 2012
(via Urbanshit)