Group travellers taking Hong Kong high-speed train to mainland China may rise 30% / China's incredible train line that literally goes through the middle of a block of flats / China high-speed train unveils special carriage with cartoon books, toys to calm rowdy kids / China unveils the world's fastest high-speed train with a top speed of 280 mph / Chinese military trains with new cargo drones / China's high-speed rail enthusiasts glimpse the future as 450km/h train spotted / Half as fast as Chinese trains, Paris-Berlin high-speed rail service begins / China's plan for 621MPH floating train that goes faster than a PLANE takes step forward with first track laid down / China's 1,000km/h trains will support 5G, study on beating near-sonic challenge says / China's love affair with high-speed rail