PARKnSHOP Hong Kong, Watsons Hong Kong and Fortress have signed up the Hong Kong Charter on External Lighting, to mitigate the problems of light nuisance and energy wastage caused by external lighting. The charter, organised by the Hong Kong Environmental Protection Department, involves more than 4,000 shops and other businesses turning off decorative and promotional lighting that affects the outdoor environment between 11pm and 7am every day. 151 PARKnSHOP stores, 93 Watsons stores and 25 Fortress stores are proudly taking part in the activity.