What begins like a narrow mountain stream gradually opens up into a wide seagoing estuary, criss-crossed by multiple tributaries, and then bursts into an out-of-control, surging flood tide.

人群如山间细流一般，慢慢汇聚，奔腾向东，流入大海。 中途不断有纵横交错的支流涌入，最后迸发出无可阻挡的人潮人海。