Aerial photo taken on Dec. 9, 2021 shows Xiamen International Conference & Exhibition Center, International Conference Center and surrounding buildings in Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Dec. 8, 2021 shows the city view of Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Sept. 29, 2021 shows the city view of Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Sept. 29, 2021 shows the city view of Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Dec. 12, 2021 shows the sculpture of a symbolic "golden key" for the China International Fair for Investment and Trade in Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Dec. 9, 2021 shows Xiamen International Conference Center and surrounding buildings in Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Dec. 12, 2021 shows people enjoying their leisure time on the beach in Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Sept. 29, 2021 shows people enjoying their leisure time in Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Oct. 5, 2021 shows people enjoying their leisure time in Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Dec. 12, 2021 shows the city view of Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Sept. 29, 2021 shows the city view of Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Oct. 6, 2021 shows the view of Gulangyu Island in Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Dec. 12, 2021 shows the coastal view of Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Dec. 9, 2021 shows the view of Xiamen International Conference & Exhibition Center in Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Dec. 8, 2021 shows the view of a wetland in Jimei District of Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Dec. 8, 2021 shows the city view of Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Dec. 8, 2021 shows the view of a park and a wetland in Xiang'an District of Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Sept. 29, 2021 shows the city view of Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Dec. 7, 2021 shows the scenery of Junying Village of Tongan District in Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Dec. 9, 2021 shows the skyscrapers of the central business district in Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)

Aerial photo taken on Dec. 7, 2021 shows the scenery of Baijiaoci Village in Tong'an District of Xiamen, southeast China's Fujian Province. This year marks the 40th anniversary of the establishment of the Xiamen Special Economic Zone (SEZ). The Xiamen SEZ has made important contributions to the country's reform, opening up, and socialist modernization, and played a unique role in promoting national reunification. (Xinhua/Jiang Kehong)