This year marks the 10th anniversary of the promulgation and implementation of the National Security Law, and April 15 is the tenth National Security Education Day for All. The theme of this year's National Security Education Day is "The 10th Anniversary of National Security Education for All".

Everyone is responsible for safeguarding national security. A set of posters takes you through 20 key areas of national security.

Reporter: Photo provided by Yin Gang

Ministry of the Ministry of Security