A silly construction

This was once a windmill . On the basic of that windmill construction as seen here,  is  build an unethical pigeon shed. Clearly seen is also that the owner of this pigeon shed was evolved into pigeon competitions  . Competitions with pigeons are here very common and popular.  (info )In general ; Some pigeon owners win so on and off  a lot of money and the best pigeons are sold for an enormous mount of money .  For example, to pigeon owners in the Japanese ,Chinese ,or the Arabian  country's . That's all I know about it....