I’m learning so much by reading @cstross@wandering.shop’s first book. Not only is there a collection of evil majik artifacts in the basement of a museum on Amsterdam (unlikely to be real), there is a herd of cows in Milton Keynes which are made of concrete and have been moved around town occasionally (actually exists; cf link below).

Books learn you things! Try Books Today!™ https://en.wikipedia.org/wiki/Concrete_Cows?wprov=sfti1#Significance