Some scholars argue that the concentration of water within the urban core of these sites provided a centralized source of political authority for Maya elites based largely on controlled water access.

The urban living style boasts of the features of concentration, mobility, specialty and heterogeneity, all of which make the law in urban society, namely the law in modern society come into being.

With the rapid expansion of city scale and the excessive concentration of population, the sound urban disaster prevention system has become a necessary arduous task.