two adventurers from Czechoslovakia travelled through Africa on a Praga and sidecar in the 1930s

Mr. Stromer and Mr. Uher went over 25 thousand miles, though sources disagree if they went 50k or 65k.

photo taken at a rest stop by waterfalls in Angola

That seems to be the only info online about their trip

https://www.facebook.com/groups/654324954604252/permalink/1713419162028154/