TOKYO -- Short trips on luxury trains have taken off in Japan. As the population gets older and commuter numbers face a decline, the country's railway operators are looking for new ways to make money from the country's extensive rail network.
Rail companies seek new revenue through trainspotters, seniors and sightseers

Passengers get ready to board the Royal Express at Yokohama Station.
TOKYO -- Short trips on luxury trains have taken off in Japan. As the population gets older and commuter numbers face a decline, the country's railway operators are looking for new ways to make money from the country's extensive rail network.