Combo photo shows Gu Jing, a professional storage organizer, teaching skills of storage for a family in Jiading District of Shanghai, east China, on April 24, 2019. After quitting her former job in healthcare, Gu choose a new career as a storage organizer and taught many families the scientific concepts and methods in housekeeping. As a professional storage organizer, Gu Jing has given more than 400 lectures on house storage so far. (Xinhua/Liu Ying)