On October 22, 2018, technicians installed the first photomultiplier tube for the No.1 Pool of LHASSO's Water Cherenkov Detector Array (WCDA) to the predetermined position, which signified the launch of full installation of WCDA.

The centralized installation of the engineering and technological facilities kicked off on June 19, 201

LHAASO Collaboration？Meeting was held？at Southwest Jiaotong University？from March 22 to 24 in？2018.

The first 33 detectors for the electromagnetic particles at LHAASO project were installed on Feb. 4, 2018,

On February 1, 2018, in the bitter wind, the No.1 pool with a total of 22,500 square meters at the Water Cherenkov Detector Array (WCDA) of the LHAASO was capped, marking the launch of internal installation of the detectors.

The first meeting of the Committee on Engineering Science & Technology of LHAASO was held at the Institute of High Energy Physics on the morning of January 22, 2017.

LHAASO Collaboration？Meeting was successfully held at the International Academic Center of Shandong University,？Weihai, from？September 21？to 23？in 2017. Nearly one hundred researchers and students from 21 Chinese scientific research institutions？and universities attended the meeting.

The National Development and Reform Commission (NDRC), China’s top economic planner, approved the feasibility study report of the LHAASO project on March 28, 2017.