Wild Concrete is a series about resilience of nature in an urban environment. Focusing solely on the phenomena of trees sprouting from residential buildings in the busy districts of Hong Kong, Wild Concrete compares the living conditions between plants and humans both growing in a harsh surroundings. In pursuit of a small patch of blue sky in the vertical city of Hong Kong, Romain looked up to the skyscrapers and developed the Vertical Horizon series. Returning with Wild Concrete, Romain has continued with his fla nerie through the same concrete jungle.