There was a photo doing the rounds a few years back from one of the Scandi countries showing a row of near identical two storied and attic town houses all with

There was a photo doing the rounds a few years back from one of the Scandi countries showing a row of near identical two storied and attic town houses all with light snow on their roofs save for one in the middle that had a near circular ring of no snow and bare tiles. Maybe that was a mining rig, maybe not.