hiroshi nakajima, nhk world. >>> the himalayan kingdom of heritage architecture, a japanese woman helping restore traditional buildings encountered some unexpected cultural differences. nhk world has more. >> reporter: a unique building style inclufluenced by buddhist culture. throughout the capital, the white board is combined with wooden window frames. japanese architect is employed by the government to help save old buildings. she previously worked for a major japanese construction firm. before quitting to focus on saving cultural assets. she became fascinated by architecture after she was sent to the country eight years ago as a member of the japanese overseas corporation volunteers. every weekend she visited one temple after another. she quizzed the local people for the stories behind the buildings. >> translator: old structures are nice design-wise. but what mesmerizes me is how people's lives and the buildings are intertwined. as if they merge into one. >> reporter: economic growth is changing the kingdom. old buildings are being replaced by new, modern structures. government offic