Eddie Chan Wai-hing, John Choy and Michael Wolf's photographs of old and demolished public housing estates such as Lower Ngau Tau Kok Estate and Sau Mau Ping Estate (including Chan's untitled work, above). Tue-Sun (including public holidays), noon-8pm, 1a Space, Unit 14, Cattle Depot Artist Village, 63 Ma Tau Kok Rd, To Kwa Wan. Inquiries: 2529 0087. Ends Jun 18