STORY: Scientific surveys valuable for safeguarding ecology on "roof of the world"SHOOTING TIME: Aug. 18, 2024/FileDATELINE: Aug. 18, 2024LENGTH: 00:00:58LOCATION: LHASA, ChinaCATEGORY: ENVIRONMENTSHOTLIST:1. various of Qinghai-Xizang Plateau2. various of the press conference3. various of the Qinghai-Xizang Plateau scientific expedition4. SOUNDBITE (Chinese): YAO TANDONG, Academician with the Chinese Academy of Sciences, leader of the 2nd scientific expeditionSTORYLINE:China's second Qinghai-Xizang Plateau scientific expedition and research has produced a series of world-class original findings, providing scientific support for the ecological security of the plateau, according to a press conference held in Lhasa on Sunday.The Qinghai-Xizang Plateau, known as "the roof of the world" and the Asia's "water tower," serves as the country's crucial ecological security barrier and a strategic resource reserve, playing a vital role in water, ecological, climate and environmental security globally.Since the scientific expedition was launched in August 2017, the survey teams comprising more than 7,000 researchers have continuously conducted comprehensive surveys across 19 key areas.SOUNDBITE (Chinese): YAO TANDONG, Academician with the Chinese Academy of Sciences, leader of the 2nd scientific expedition"We focus on the ecological and environmental protection of the Qinghai-Xizang Plateau. The goal is to address key scientific issues related to the Earth system processes and environmental changes on the plateau. Our goal is to produce world-class original achievements and contribute to the construction of the ecological highland of the Qinghai-Xizang Plateau."Xinhua News Agency correspondents reporting from Lhasa, China.(XHTV)