Unrelated to bat lights, but a friend of mine who is having a house built in Utrecht mentions that all the homes in the new neighborhood will have integrated ba

Unrelated to bat lights, but a friend of mine who is having a house built in Utrecht mentions that all the homes in the new neighborhood will have integrated bat housing. I assume he means something like the "bat bricks" from https://www.ibstockbrick.co.uk/kevington/eco-products/ https://www.ibstockbrick.co.uk/kevington/eco-products/.