A huge memorial and remembrance of the 30th anniversary of the Tiananmen Square massacre took place in Hong Kong on Tuesday.<br />It's the only place on Chinese soil where mass commemorations are even allowed to be permitted.<br />The organizers say 180,000 people took part in a vigil, centered in the city's Victoria Park.<br />Police put the number at less than 40,000.<br />Since 1990,.. a candlelit vigil has been held in Victoria Park each year.<br />In central Taipei,... a massive inflatable version of the iconic 'Tank Man" has been on display for several weeks leading up to the anniversary.<br />Taiwan's Mainland Affairs Council has called on Beijing to "face up to historical mistakes and apologize as soon as possible for the crackdown".<br />Local and foreign tourists visiting Tiananmen Square on Tuesday,... were under close police scrutiny and subject to frequent security checks.<br />
