Hong Kong residents logged almost 1 million outbound trips during the first two days of the three-day long weekend for Chung Yeung Festival, with most travellers heading to mainland China. A total of 598,677 outbound trips were recorded by residents on Friday, a public holiday, and double that of the previous Friday, according to the Immigration Department. The city has a population of roughly 7.5 million. Among those leaving Hong Kong, 89 per cent departed through various checkpoints on the border with Shenzhen and the express railway linking Hong Kong to multiple mainland Chinese cities. On …