After a century of decline, the South-to-North Water Diversion Project may be the last opportunity for the Grand Canal. The backwater of the Yangtze River once again connected the main part of the Grand Canal, and the vitality appeared. The Grand Canal was just waiting for a time to let it integrate into the new civilization The Grand Canal has a history of 2,500 years. It is not afraid of change, but how to change is in the hands of modern people. What's the point of this passage? ['Backwaters of the Yangtze River bring the Grand Canal to life again.', 'The historic Grand Canal has been declining for a hundred years.', 'How the Grand Canal changed in the hands of modern people.', 'South-to-North Water Transfer Project is an important opportunity to change the fate of the Grand Canal.']