Tourists visit an exhibition hall commemorating the Long March in Huining, northwest China's Gansu Province, July 22, 2019. Memorial halls and martyrs' cemeteries are springing up in many revolutionary places over the past few years, especially those along the Long March route. (Xinhua/Ma Ning)

It is estimated that over 100 million red tourism trips, which refers to visits to historical sites with a revolutionary legacy, will be made during this summer break, with the biggest share taken by those born between 1985 and 1989.

BEIJING, Aug. 8 (Xinhua) -- More and more young people are contributing to the boom of "red tourism" in China, which refers to visits to historical sites with a revolutionary legacy, according to an industry report.

It is estimated that over 100 million red tourism trips will be made during this summer break, with the biggest share taken by those born between 1985 and 1989.

In the meantime, red tourism trips for those born after 2000 are expected to grow remarkably year on year, said a market forecast published by online travel agency Ctrip.

Policies have been rolled out to encourage local governments to develop diverse red tourism products such as trips along the Long March route, revolutionary museums and memorials.

The number of classic red tourism sites in China had reached 300 as of the end of 2018, according to data from the Ministry of Culture and Tourism.

A total of 660 million red tourism trips were made last year, accounting for 11.92 percent of domestic trips.