Looks like a floating sewage plant to me.
@WordsmithFL @LnzyHou I've got a cousin who LOVES cruises. She's on one right now near Norway. Had to fly from TX to London, then up to .... I forget. Anyhow, she loves them. When they hit ports, she does the tours.
@GeezerWench @WordsmithFL
Obviously lots of people like them. Huge industry. My hair stylist said they were served 11 meals a day. He gained 15 lbs in one week.