202 1 April. Overall national security concept Jinan Education Exhibition Hall was completed in April 20021. Located in the south of Heroes Square in Jinan Revolutionary Martyrs Cemetery. It is a modern, systematic and intelligent education platform for the overall national security concept with high starting point, high standards and high quality. The education exhibition hall will continuously improve the level of explanation and reception services, enhance the publicity effect of the National Security Law, enhance citizens' national security awareness, and develop the platform into an important base for provinces and cities to carry out overall national security education.