In 2000, I made a trip to the Yangtze River long before the Three Gorges Dam Project was finished. I was frankly shocked by the immensity of the project. The government planned to build a dam and create a 360-mile-long reservoir that would displace 1.3 million people! I knew this would be a very sad story for the people living near the river, but I felt compelled to make a record for the sake of history. During the next three years I made six trips to the Yangtze, taking photos of the construction of the new and the destruction of the old. The astonishing transformation of the cities and towns along the river is the subject of my fourth book and traveling exhibition: “Yangtze Remembered: The River Beneath the Lake.”