The once-beautiful, thriving town of Greenville is now on the edge of an ecological catastrophe. The Walkers—the animal family of travellers well-known to all the fans of Travel Mosaic series—can’t allow the town to turn into a desert! They hurry to Greenville and see it covered by the pungent mist and smog. The local river is polluted by industrial waste, fish and birds vanished. The reason of disaster is Extracting Company Evil, Inc. polluting the environment. Together with Walkers you will restore the land and the water, plant flowers, trees and bushes, and stock the…