https://www.huffpost.com/entry/tens-of-thousands-of-hong-kong-protesters-march-through-heavy-rain_n_5d593d6de4b056fafd0d5352
"Hong Kong streets were turned into rivers of umbrellas on Sunday as hundreds of thousands of people marched through heavy rain down a major road in the Chinese territory, where massive pro-democracy demonstrations have become a regular weekend activity. Organizers said at least 1.7 million participated, though the police estimate was far lower."