24%。 According to the news of Guangzhou Daily on February 27, 2022, the reconstructed Chang 'an area is no longer a dense scene of "handshake building", the building density will drop from 35% to 24%, and the green space rate will increase from the original 19.3% to 37%. The original water system in the village will be preserved. One-sided understanding of handshake architecture means that people can shake hands between buildings. This situation means that between some buildings, friends and neighbors can shake hands and say hello by opening the windows of two houses. It should be noted here that my friend's two families live in two buildings, not one. In other words, the interval between the handshake buildings is very narrow, and almost all buildings are very close.