Hobby of the common man

Marion want to show the beauty of the city pigeons. City pigeons are often feral carrier pigeons, and carrier pigeons were the "hobby of the common man" in the heyday of mining -- mining is over, and racing pigeons breed too, -- consequently there are very many feral pigeons in our country that look for food in the cities.

And for nesting opportunities, because they don't nest on trees, but on rocks, and for lack of rocks they like to take houses