Protests `` a very dangerous , obviously illegal movement , '' says Chen Zuo'er . Chen helped negotiate with the British side over the 1997 handover of power to China . Occupy Central has attacked pillars of economic prosperity and social stability , he says . The protests have been peaceful so far, but they are not yet finished. ` One country , two systems '' is a fundamental national policy .
Protests `` a very dangerous , obviously illegal movement , '' says Chen Zuo'er . Chen helped negotiate with the British side over the 1997 handover of power to China . Occupy Central has attacked pillars of economic prosperity and social stability , he says . Chen : `` One country , two systems '' is a fundamental national policy .