In order to promote the public to save water and cherish the precious fresh water resources, the Maritime and Water Bureau will hold "2022 Climbing Mountains and Back Water" in Songshan on December 4, 2022 (Sunday) from 2:00 pm to 6:00 pm. The activity uses "Augmented Reality" (AR) technology, bringing wonderful real and virtual interactive experience. Citizens only need to download the activity mobile app, carry their backpacks, walk about a kilometer backwater, and follow the instructions of the program to complete the AR game tasks along the way to win prizes. On the way, they will encounter different information displays and AR shooting scenes. Let the citizens walk together with their backs to the water, experience the difficulty of fetching water in the mountains, understand the development of reclaimed water and the status of water resources in Macao, and the importance of cherishing water, and jointly build Macao into a water-saving city.