factory, is fast becoming tallinn�*s new leisure district. as well as cafes, bars and new luxury apartments on the way, there is this - proto. its owners call it an invention factory. it's sort of an interactive museum. so, as we cycle, the little cyclists on the track go round, so it's a race now. yes! it's a competition, yes! so, tell me more about this incredible building — i assume it hasn't always hosted parlour games. exactly. this building, it was the foundry... wow. ..of the shipyard. next to it was the coopersmith, then there were some storages, local power plant, the engine generator workshop and assembly workshop, so huge area where submarines were produced, yes. among all of the family attractions, there are still glimpses of the building's