This is a correct answer to the following question about Kathmandu. Yes or no?
Answer: Kathmandu's sister cities ( Lalitpur Patan ) and Bhaktapur are integral to Kathmandu's cultural heritage, tourism industry, and economy; therefore UNESCO's World Heritage Site lists all three cities' monuments and attractions together under one heading, "Kathmandu Valley- UNESCO World Heritage Site ".
Question: what is kathmandu known for
