Unfortunately there are no "shade trees" in Havana under which to work on your car. Instead, one sees guys working on the streetside. They put the car up on blocks, work under it, work on the engine, drop out the transmission, just about any major thing one can imagine gets done curbside. Parts are rare and expensive. Each time I go, I get requests for spark plugs, various wires, brake pads, replacement light bulbs and that sort of thing. I usually throw in a pair or two of fuzzy dice and some Nascar caps which are popular. Smart people meeting most of their challlenges. PS_The Cuban baseball team got the visa to play in the international baseball tournament, common sense prevailed! Hopefully that's a start.