Tickets from Hong Kong to many mainland Chinese destinations connected by cross-border high-speed rail services are nearly sold out for the first two days of the five-day holiday over Easter and the Ching Ming Festival. The mainland cities have become an alternative for travellers, with the escalating war in the Middle East triggering a global oil crisis and significantly disrupting airspace, prompting airlines to increase ticket prices and fuel surcharges. Steven Huen Kwok-chuen, executive...