Which words are better to describe the beach near 1930? (The good answer is supplemented)

At that time, Shanghai beach, five foreign countries, the integration of Chinese and western cultures, modern western civilization and ancient oriental traditions complement each other; But at the same time, mud and sand are mixed, dragons and snakes are mixed, various social contradictions are criss-crossed, and the struggle is fierce. In the contest between justice and evil, the tragedies and comedies of success and failure are constantly staged, and the grievances and love-hate relationships between the rivers and lakes are constantly staged. In the great era of internal troubles and foreign invasion, chambers of commerce are flooding and patriotic nationalism is rising.