Website recommendation
Commonly used
Today’s new areas of general studies (e-book)
"Very Scientific" online platform
One-stop guide to national education
Science
Hong Kong Sky Watching Association
Hong Kong Astronomical Society
History
The splendid Chinese civilization
Watch animation and learn history
Environmentally friendly
Environmental Protection Department
Health Education
Department of Health (Health and Hygiene)
Family Planning Association (Sex Education)
Travel
Look around China's tourist attractions website
