The challenge also featured participants from countries such as the United States, China and Germany.
The center warned local residents to reduce outdoor activities and take precautions against geological disasters, including flash floods and mudslides.
The city reported three new confirmed COVID-19 cases on Saturday, accounting for all domestically transmitted, confirmed cases reported on the Chinese mainland on Saturday, according to the commission. Two other imported confirmed cases-in Tianjin and Guangdong province-were also reported that day.
The chairmen appealed to everyone in the academic community to remain steadfast in their respective roles, to make continuous contributions to future generations by leveraging Hong Kong's traditional strengths in academic freedom, cultural diversity, and broad international perspectives.
The central government is stepping up the fight against pollution and environmental degradation, as decades of fast growth have saddled the country with air and soil pollution.
The city's tally of novel coronavirus infections remains at 1,025 as of Monday.
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The center's owner, Chinese businessman Qian Jiugen, has said the complex will help other Chinese businesses by providing them with the services they need to establish themselves.
The centrally-administrated State-owned enterprise, which also runs joint ventures with carmakers such as Volkswagen and Toyota in China, saw its sales revenue reach 431.6 billion yuan, up almost 11 percent year-on-year, yielding a profit of 28.56 billion yuan.
The chief executive spoke highly of the Guangdong-Hong Kong-Macao Greater Bay Area development, saying the Greater Bay Area, with a population of about 70 million and a combined GDP equivalent of around .6 trillion, and its huge market potential, presented boundless promise for Hong Kong, particularly the financial services sector.
The city was established to administer the Xisha, Zhongsha and Nansha islands and their surrounding waters in the South China Sea.