World Wetland Day 2024. 25, 2024 updated 6:42 p.m. The world's oldest and longest canal, the grand canal begins in hangzhou and ends in beijing, extending 1,200 miles between two of china's most magnificent.

The world’s oldest and longest canal, the grand canal begins in hangzhou and ends in beijing, extending 1,200 miles between two of china’s most magnificent. To mark the occasion, several of our members are hosting events.