A short video depicting the cleaning of Japan's famous bullet trains has become an online hit, garnering more than 2.6 million views on YouTube as of Monday.
As a way to promote Tokyo and omotenashi — Japanese hospitality — to the world ahead of the 2020 Summer Olympics, last fall the metropolitan government invited six foreign journalists to join a six-week Dateline Tokyo program.
They were asked to discover unique aspects of the capital that residents may not be aware of.
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