It might not make the cut for Olympians at Tokyo 2020, but each day in Japan's parks, schools and offices, millions perform a stretching routine that dates back decades: radio taiso. Spirited piano music and a cry of "one, two, three!" in Japanese usually announce the start of the three-minute stretching drills, which are broadcast several times a day on public radio, with similar short segments on TV. IMAGES AND SOUNDBITES