The tufted, velvety green surface looks like a chenille pillow. Upon closer inspection, there are flecks of bright color embedded among the rows of green. The colorful bit are tourist boats leisurely meandering through waterways created by the neat rows of trees at Luyang Lake Wetlands Park in Yangzhou, in the Jiangsu province of China, one of many artificial “water forests” that now dot the country. This bird’s eye view obscures the towering scale of the pond cypress, bald cypress, and unique dawn redwood the visitors move between. Dawn redwoods…