Japan's vertical gardening cases

Quick answer：

Vertical gardening in Japan refers to the practice of incorporating plants into the vertical space of buildings and structures. This concept is popular in urban settings to create green spaces and improve air quality. Notable cases include the Tokyo Skytree, which features a vertical garden on its exterior, and the Azabu-Juban Green Building, which showcases innovative green wall technologies. These projects demonstrate the country's commitment to sustainable and green urban development.