"Cultural relics are not renewable and cannot be replicated. If they are destroyed, the country will lose precious items of historical significance," he said.
The Republic of Korea's President Moon Jae-in said it is hoped that China will realize the Chinese Dream early under Xi's leadership and make greater contributions to peace and development in Northeast Asia and the world. This year marks the 10th anniversary of the China-ROK Comprehensive Strategic Partnership, and Moon said he would like to work with Xi to take the bilateral ties to greater maturity and into a new era.
Xi said the CPC should be the backbone of the Chinese people and the Chinese nation, work hard and share the comforts and hardships with the people and always maintain heart-to-heart communion with them.
"We have a favorable development environment that was unimaginable before, but we still face unprecedented difficulties and challenges," Xi said.
Xi, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, made the remark at the closing meeting of the first session of the 13th National People's Congress in Beijing.
While 225 of the cases involved grave robbing, 70 others were related to the theft of historical relics, along with 27 instances of trafficking and 29 associated crimes.
This year marks the 30th anniversary of the founding of Hainan Province and the Hainan Special Economic Zone, as well as the 40th anniversary of reform and opening-up of the whole country.