Your job is to build a bridge and help your workers to get items from the other side of valley. Start from watching terrain where your bridge will be located. Move your mouse to right edge of screen to scroll the scene. It works in the same way for left edge. To design the bridge, click the design icon from menu located in the upper left corner of screen. Each bridge element costs money and you have limited budget. You have two types of bridge elements available: walks and connectors.