I was walking downhill from a visit to the 3500-year-old city walls in Nakhchivan when I passed a mosque. The door was open, so I peeked inside. This woman enthusiastically welcomed me in and gave me a complete tour, providing much detail about the people, practices and artifacts she was showing me. It was an absolutely outstanding and totally unexpected tour. She explained everything. She was positive and welcoming beyond anything a drop-in guest from another country (continues in comments)