What does national security include? What does national security have to do with everyone? What actions may endanger national security? How should we safeguard national security? April 15 is the seventh national security education day for all. This year's theme is "strengthening the overall national security concept, understanding the achievements of national security in the new era, and creating a good atmosphere for the victory of the 20th CPC National Congress". In recent days, all parts of Guangdong have carried out national safety education and publicity activities online and offline through posters, lights, hip-hop flash, theme exhibitions, public service advertisements, award-winning Q & A, "Guoan" bus and subway special train and other forms. National security education base unveiled In order to remember the predecessors of the hidden front, publicize the history of the hidden front, carry forward the tradition of the hidden front, and strengthen national security education for the whole people, on April 8, Yang Yin's former residence in Zhongshan, Guangdong Province was officially named "Guangdong national security education base" and unveiled. It is understood that Yang Yin's former residence is an important place for the birth, growth and revolutionary movement of Yang Yin martyrs. After taking part in the revolution, he used the food processing room in the kitchen of his former residence as a cover to secretly print the propaganda materials of the uprising and revolution. During the war of resistance against Japan, the guerrillas set up secret traffic stations in the former residence. So far, the exterior wall of the former residence still retains traces of shooting bullet holes and other traces of the Japanese Army during the war of resistance against Japan. On the day of unveiling, Zhongshan Memorial middle school organized students to visit Yang Yin's former residence, learn about the deeds of martyrs Yang Yin, and learn relevant knowledge of national security education (see the above picture, photographed by Wang Fuyu and Yue an). The students said that the deeds of martyr Yang Yin were moving and made them more aware of the importance of national security. Youth flash salutes unsung heroes Recently, the Guangzhou tower and the Macao Tower successively lit the lights for "national security". The slogan "national security is everyone's responsibility" on the Macao Tower is eye-catching and rolling; The words "national security is more important than Mount Tai" on the Guangzhou tower illuminate the night sky; In addition, Dongguan landmark buildings such as the international trade center and the global economic and Trade Center also light up the "national security", and slogans such as "family affairs, state affairs, world affairs, national security is a major event" attract people's attention and attract citizens to stop and watch Since April 9, a group of young people from Guangdong, Hong Kong and Macao have carried out a hip-hop dance flash show with the theme of "national security and everyone's responsibility" with music in Macao's Macao Tower, the memorial archway of the big three bus, Guangzhou tower and Guangzhou University City in Guangzhou, promoting the concept of "national security and everyone's responsibility" in the way of young people, and paying tribute to the unsung heroes who protect national security. What does national security include? Since April 13, seven "guochaofeng" and "Guoan" subway trains have been officially launched in Guangzhou and Foshan: the subway train and the theme platform exhibition hall show the five elements of the overall national security concept, five overall plans and five pairs of relations. In Zhuhai, Dongguan, Yunfu and other places, bus lines with "national security number" and "secret · password number" have been started one after another. The national security report acceptance telephone 12339 is prominently printed on the body, and there are national security knowledge brochures in the car for passengers to read. In Qingyuan Yangshan, Dongguan Shilong and other places, national security publicity and education activities have been sent to the door of citizens' homes. Party members and cadres enter town streets, village houses and farmers' homes to explain national security related knowledge in dialect and Hakka. "The same class - National Security in the cloud team class", "the city's middle school students' online knowledge competition", "online national security law popularization publicity"... A variety of national security theme publicity activities are also carried out online. "Everyone is responsible for safeguarding national security, and we should also contribute our part!" After participating in the publicity activities, many people said so. (Xinhua News Agency)