(230607) -- SHENZHEN, June 7, 2023 (Xinhua) -- Li Shulei, a member of the Political Bureau of the Communist Party of China (CPC) Central Committee and head of the Publicity Department of the CPC Central Committee, reads out Xi Jinping's congratulatory letter to the first Forum on Building up China's Cultural Strength and delivers a keynote speech at the forum in Shenzhen, south China's Guangdong Province, June 7, 2023. Chinese President Xi Jinping, also general secretary of the CPC Central Committee and chairman of the Central Military Commission, has sent a congratulatory letter to the first Forum on Building up China's Cultural Strength, which opened Wednesday in Shenzhen, south China's Guangdong Province. (Xinhua/Ding Lin)