Storyline: Study-tours hot choices for China's summer vacationers [Voice_over] It's peak tourism season in China, with study-tours emerging as a top choice for families. As educational priorities shift, parents are increasingly opting for study trips which are get-aways that focus on learning about culture, and skill-building. The head of one study-tour company located in Beijing's says they've seen a surge in bookings recently. They said more than 80 percent of their domestic summer study programs have already been booked, with some routes selling out far in advance. [Sound_bite] Zhang Kai, head, study-tour company: "Previously, overseas study-tours accounted for about 30 percent of our business while domestic ones made up 70 percent. This year, the domestic proportion has increased to over 80 percent. We've also introduced new programs like desert trekking camps and mountain climbing expeditions." [Voice_over] This middle schooler and her mother are part of an increase in family vacations across the country this year. The pair chose to visit Guizhou and Yunnan, two destinations renowned for their breathtaking landscapes and rich cultural heritage. [Sound_bite] Zhu Yiru, Traveler: "Many of the texts I studied in elementary school were about Guizhou. I wanted to see Huangguoshu Waterfall and the Miao villages, try on traditional clothing, and experience the local culture firsthand." [Voice_over] According to the Ministry of Transport, the number of railway passenger trips is expected to reach 953 million during this year's summer vacation season, which will be a year-on-year increase of about six percent. [Restrictions : No access Chinese mainland]