What is the most unusual item you’ve encountered in someone’s home that they treated as completely ordinary?

Once, I visited a friend who had an entire room dedicated to a model train city. This room was complete with meticulously crafted buildings, landscape features, and even tiny figures going about their daily lives. The oddest part wasn’t the setup itself, which was impressive, but rather how my friend treated this intricate display as no big deal, inviting me in and casually saying, “This is just my train room.” To me, it was a fascinating mix of creativity and engineering that took hobby dedication to another level, but to them, it was as normal as having a home office or reading nook. They emphasized the ‘normalcy’ by discussing train schedules and weather patterns of their fictitious city, adding layers of depth that left me both impressed and bemused.