效果图 of Xiaohe Mountain Riverside Park

Quick answer：

Xiaohe Mountain Riverside Park is a planned public park located in the city of Hangzhou, China. The 'effectiveness' of the park refers to the visual representation or rendering of what the park will look like when completed. These renderings often depict the park's landscape, buildings, pathways, and water features in an artistic and realistic manner, showcasing the vision of the park's designers.