How long will Hangzhou Building be demolished?

do not dismantle. Hangzhou: In principle, public buildings over 5 meters will not be demolished for less than 2 years. The first category is public buildings in the land for administrative offices, commercial finance, medical and health care, educational and scientific research design, cultural and entertainment facilities and sports facilities. As long as their height exceeds 5 meters, or they have more than 15 floors, or the above-ground construction area (including groups) exceeds 3, square meters, they are classified as important public buildings. The second category is theater buildings with more than 12 seats, such as halls, theaters, cinemas and concert halls. The third category is buildings with more than 3, seats in stadiums or 8, square meters of land, more than 4, seats in gymnasiums or 2, square meters of land, and more than 2, seats in swimming pools or 1, square meters of land. The fourth category is the main buildings of the city's main railway stations, coach stations, airports and passenger terminals. The fifth category is other buildings with reserved value.