Here is a picture of the inside of the cockpit, taken with a 21mm wide-angle lens. In fact, lots of things are old in Cuba. Because of the US trade embargo, and because they have lost their aid from the former Soviet Union, almost everything is in short supply. Cuba has an excellent medical system, but they lack medicines, even bandages. Basic toiletries, like soap, are almost nonexistant, as are school and office supplies, such as pens and paper.
Gasoline is especially a problem.
There are few busses anymore. Cubans are masters at keeping old automobiles running, and you see many classics on the streets. Here are photos of two other old cars. Because the government needs hard currency, they are embracing tourism. Trying to attract upscale tourists, while keeping a socialist economy, leads to many contradictions.