Wanjing, the capital of the Eastern Country, is also one of the most prosperous cities in this world.
But unlike the large metropolitan areas on another timeline of the Eastern Country, this is a city cluster composed of four or five cities... What should have been the core area has already undergone repeated reconstruction.
The reason is quite simple, and it's the same for most capital cities that have experienced "monster brawls" and "superhuman battles with Ultraman"; cities of great importance invite even bigger troubles, so when deity-level threats go to war in an area, the fact that they only need to rebuild, rather than starting over from the foundations, is already considered lucky.
"In recent history, Wanjing was originally called Yijing, but it has undergone four major reconstructions successively forty years ago, thirty-three years ago, twenty-one years ago, and seven years ago, so most of the present buildings have been reinforced..."