Gardening -外墙批荡，搭雨棚，换地台板，铺假草，花槽挡土墙

外墙批荡15平方米，搭雨棚10平方米，换地台板29平方米，铺假草47平方米，花槽挡土墙21米

Build:
The outer wall is 15 square meters, the canopy is 10 square meters, the floor replacement platform is 29 square meters, the artificial grass is 47 square meters, and the planter retaining wall is 21 meters.