Living walls growing in prominence in urban areas

At San Francisco's Museum of Modern Art - SFMOMA-one of the most popular works is neither a painting nor a sculpture. At nearly nine meters high and 46 meters wide, it's the largest living wall in the United States. CGTN's Mark Niu takes us to San Francisco, a city that is increasingly embracing the idea of the living wall.

By Design,horticulturist David Brenner,Living walls,Mark Niu,San Francisco,SFMOMA,