It is a velodrome (?) featuring an old motorcycle and a car with a lion in its sidecar.
Using TinEye I’ve found 112 instances of the picture. I haven’t looked at all 112, but the ones I have looked at have no real information. I’m wondering if anyone knows the story behind it. Circus? Movie stunt? Crazed thrill seekers? Frat initiation?
I don’t think it is a velodrome (which is normally used for bicycle racing, and has curved sides). I think it is a “wall of death” from a fairground or circus, normally used for motorcycle stunt riding shows.
I can’t tell you anything about the particular picture, but it just seems like a particularly extreme example of a regular “wall of death” type of show.
A giraffe’s head would be a lot closer to the centre of the circle and it wouldn’t feel nearly as much g there as the at rest of its body. It might almost feel as though its head was floating up.