The Swiss liked the British Centurion. Well armed, with good protection and good mobility. Here's a brief bit of footage of a Swiss Centurion tank during comparative mobility trials doing river crossing, an icy embankment, and a river bank. Full video at youtu.be/ac2JnO0a-hM
2:30, no sound #tanks

Undated footage of unnamed vehicle identified only as 'The First Tank' which it isn't but I think we will let them off as we know what they are getting at. Appears to be an official model of the design shown off for the camera.
19 secs. No sound #tank #WW1