Leung Chi-wo & Sara Wong both graduated from the Department of Fine Arts of the Chinese University of Hong Kong. In 1991, Leung completed Post Diploma in Culture of Photography in Italy. He obtained a Master's Degree in Fine Arts from the Chinese University of Hong Kong in 1997. Wong obtained a Master's Degree in Landscape Architecture Study from the University of Hong Kong in 1997. City Cookie, a collaborative project between Leung and Wong, was showcased in Shanghai and Venice Biennales, as well as Queens Museum of Art, New York and Museum of Image and Sound in São Paulo, Brazil. Through exploring the urban space, the artist has found endless creative possibilities that inspire broader visions and sensory space in his art. City Cookie File is a record of the conceptual development of the artist's 'city cookie' concept, incorporating the results of visitor participation in his exhibitions over the last decade.