minus-squareSeinveld@lemm.eetoAsk Lemmy@lemmy.world•Why do many hotel ceilings (in the US) look like this?linkfedilinkEnglisharrow-up23arrow-down1·6 个月前They’re precast concrete planks that span the width of the building. You’re looking at the seams between the planks. linkfedilink
They’re precast concrete planks that span the width of the building. You’re looking at the seams between the planks.