You are liar. No aggreement is made in 1956.
After 1954, Islands is under control of South Vietnam Republic following the term and condition of Geneva Accords. China signed in to it.
Feng shui is mighty of nature. Chinese know it, and you have to follow it. when you harm a nature, nature will punish you.
So, China will look like this, and china is going to collapse.
FILE - A worker holds a new officially approved map of China that includes the islands and maritime area that Beijing claims in the South China Sea, at a printing factory in Changsha in south China's Hunan province.