（Photo/official WeChat account of Beijing Daily)

Photo shows facial masks with train images on them. An exhibition of more than 700 railway-themed cultural products was held in Beijing on December to cover themes such as poverty reduction, brand building, freight services, railway history and green development. (Photo/official WeChat account of Beijing Daily)

Photo shows a train-themed suitcase, backpack, clothes and a skateboard. An exhibition of more than 700 railway-themed cultural products was held in Beijing on December to cover themes such as poverty reduction, brand building, freight services, railway history and green development. (Photo/official WeChat account of Beijing Daily)

Photo shows a pair of train-themed socks. An exhibition of more than 700 railway-themed cultural products was held in Beijing on December to cover themes such as poverty reduction, brand building, freight services, railway history and green development. (Photo/official WeChat account of Beijing Daily)

Photo shows toys with images of high-speed trains on them. An exhibition of more than 700 railway-themed cultural products was held in Beijing on December to cover themes such as poverty reduction, brand building, freight services, railway history and green development. (Photo/official WeChat account of Beijing Daily)