What is heritage tourism?

This problem needs to be explained layer by layer. Literally, it is a precious thing left by the ancients, but it can't be measured by money. China is vast in territory and abundant in resources, with outstanding people and outstanding talents. Many literati like reading and writing poems, and the places they pass through have become heritages. On the premise of the rise of tourism in China, there are 68 cultural, natural and dual cultural heritages and intangible cultural heritages in China.