Building the Great Wall of China - Level 27 & 28

Level 27 Upgrade camp and collect all resources nearby. Build hunter's cabin and sawmill. Build steelworks, then warehouse and stone mine. Upgrade camp and stone mine. Build the wall and the fort to finish the level. Level 28 (From 7:47) Upgrade camp and build sawmill. Remove snowdrift. Cut down some trees to build hunter's cabin and steelworks. Upgrade sawmill and camp. Build warehouse and upgrade it. Build stone mine, upgrade it, and build the wall. Never forget collecting lanterns.