On September 23rd at 20:00, the Hangzhou Olympic Sports Center Stadium on the banks of the Qiantang River in Hangzhou, China - the "Big Lotus" - bloomed brightly, marking the grand opening of the 19th Asian Games in Hangzhou. Dozens of miles east of Hangzhou, the Qiantang River roars into the sea through Hangzhou Bay, and the "Qiantang Tide" has never lived up to its reputation.