A dai pai dong is characterised by its green-painted steel kitchen, untidy atmosphere, the lack of air conditioning, as well as a variety of low priced great-wok hei dishes. Regarded by some as part of the collective memory of Hong Kong people,[10] official dai pai dong are scarce today, numbering only 28, situated in Central (10), Sham Shui Po (14), Wan Chai (1), Tai Hang (2), and Tai O (1).[11][12]