A technician works at a lab of the Ecology Institute of Shandong Academy of Sciences in east China's Shandong Province, May 11, 2018. It is a project to promote ecological restoration and high efficient utilization of salt-affected soils in China and Uzbekistan. Under the guidance of the "Shanghai Spirit" of mutual trust, mutual benefit, equality, consultation, respect for diverse civilizations, and pursuit of common development, Shandong strengthened cooperation with the Shanghai Cooperation Organization (SCO) member states. [Photo/Xinhua]