The country has dropped restrictions on overseas journeys for its citizens, but once-popular destinations are still waiting for the flood of vacationers to arrive. When the first Chinese tourists landed at Suvarnabhumi International Airport in Bangkok this month, they were greeted like celebrities with welcome banners, flowers, gifts, and a scrum of reporters and photographers. It was the moment that hotels, airlines, tour operators and government officials had long been waiting for — the reopening of China's borders after nearly three years of pandemic restrictions that effectively cut the world off from Chinese travelers, once the largest source of global tourism revenue. "It is very exciting to visit warm beautiful places again," said Hua Liu, 34, a graphic designer from Shanghai, who was among the first visitors to Thailand, where she took a two-week beach vacation late this month, as part of a Lunar New Year trip. "I will make up for the lost time," she sai...