Use the Bag of Mortar to fix the bridge. All people in the bridge are telling you to be careful because the bridge needs to repair, only with Mortar can fix it. It will start a mini puzzle game which is very easy. Place the pieces on the bridge until they are all in the correct position. After you fix the bridge, you’ll notice sumo wrestlers beginning to walk across it. You didn’t get anything in return again! But why expect?
How to Get the Bag of Mortar
Walk all the way to the end, and click GO LEFT. Walk left until you pick up the Bag of Mortar.