Core Points - The high-altitude cosmic ray observatory features advanced tracking devices for ultra-high-energy gamma sources, showcasing significant technological advancements in astrophysics research [1] - The observatory includes a wide-angle Cherenkov telescope array, which is crucial for detecting cosmic rays and understanding their origins [2] - The construction of the observatory began on June 19, 2018, indicating a long-term investment in scientific infrastructure [5] Group 1 - The observatory is equipped with a large-scale ultra-high-energy gamma source tracking device, enhancing its observational capabilities [1] - A wide-angle Cherenkov telescope array is part of the facility, which plays a vital role in cosmic ray detection [2] - The facility's construction timeline highlights its establishment as a significant scientific project since 2018 [5] Group 2 - The observatory's design includes closed large water pools that house over 2,000 domestically produced 20-inch photomultiplier tubes, indicating a focus on utilizing local technology [5] - The use of drone photography on October 28 provides a modern perspective on the observatory's infrastructure and layout [4][6][7][9]