Waves of mass migrations from Hong Kong villagers exercised their right of abode in the United Kingdom and left for Europe. In 1967, a series of large-scale riots erupted in Hong Kong, causing social instability. These events led some of the richer Hong Kong residents to move abroad. Emigration took place to countries in Southeast Asia, South Africa or South American countries. This wave did not come to a rest until the mid-1970s. On the 19th of December 1984, the People's Republic of China and the United Kingdom signed the "Sino-British Joint Declaration", validated the 1997 transfer of sovereignty over Hong Kong to China. The declaration prompted
Law of Hong Kong fees. In Hong Kong, the legal profession consists of both solicitors and barristers. As of 31 December 2015, there were at least 8,647 practising solicitors and 777 local law firms, plus some 77 foreign law firms, 1,299 registered foreign lawyers. And there were at least 1,378 practising barristers in 135 chambers. Even prior to the transfer of sovereignty of Hong Kong, Hong Kong's legal profession was open to foreign law firms allowing foreign firms to establish a much earlier foothold in Hong Kong than in the People's Republic of China. Only on July 1, 1992, in contrast, did the PRC