after some online research, nakashima carefully removes the dust from its return.lthough nakashima's robot couldn't move at the dance competition, it has regained a little of its old form. >> translator: it will last for a while. it's worked for 15 years. i hope it will stay in good condition for a long time. >> reporter: one day no amount of repairs will keep these robots going, but until that day arrives, their owners will cherish them. tsuyoshi nagayama, nhk world. >>> every morning investors turn our attention to asia, the tokyo market leads the way. and markets around the world follow. >> from the decisions that could change the course of an economy. >> to the companies at the forefront of change. >> up-to-the-minute market reports. >> and analysis by specialists from around the world. >> get all the latest business news and insight every day, here on "newsline." >>> the state of the yen and more affordable flights have brought a record number of visitors to japan. last year for the first time the number of tourists from abroad tipped over 10 million. governme