Hong Kong International Airport in May 1997, prior to the transfer of sovereignty to China. The airport itself was opened in July 1998. The construction period was very rushed; specialists considered that only a 10–20-year period was sufficient for this massive project. Another cause for this rush was due to the uncertain future of the airport construction after the transfer of sovereignty over Hong Kong to the People's Republic of China. Shortly after the then-British colonial government of Hong Kong announced plans to construct the new airport, the Chinese government in Beijing began voicing objections to various aspects of the massive project, which prompted
British Hong Kong the Chinese, the Second Convention of Peking was signed on 9 June. Since the foreign powers had agreed by the late 19th century that it was no longer permissible to acquire outright sovereignty over any parcel of Chinese territory, and in keeping with the other territorial cessions China made to Russia, Germany and France that same year, the extension of Hong Kong took the form of a 99-year lease. The lease consisted of the rest of Kowloon south of the Shenzhen River and 230 islands, which became known as the New Territories. The British formally took possession on 16 April