They not only represent continuity and identity between generations, but also deliver the codes of creating and modifying urban culture and sostenuto hold the order of human long-term development.

• 它传承着代与代之间、历史各个时期之间的连续性和同一性，又传递着社会创造与再创造自己城市文化的密码，持续地维系着人类长远共谋发展的秩序。