Every morning, in schoolyards and public parks, millions of Japanese people bend and stretch following directions recorded over a piano track—a nearly century-old fitness routine known as rajio taisō. These Japanese calisthenics date back to 1927, when the Ministry of Posts and Japan’s public broadcaster, NHK, teamed up to promote national health exercises on the radio. According to the Japanese government, over 25 million people still participate in the three-minute-long choreography at least twice a week, enjoying the communal exercises This story is from Kinfolk Issue Thirty-six Buy Now Related Stories Arts & Culture Issue 19 Going Incognito We all secretly wonder what mischief we’d make if invisible: When our identity is hidden, everything seems possible. Arts & Culture Issue 19 The Best Policy Sometimes we talk to each other without feeling heard. Honesty—a most intimate interaction—can be just as thrilling as its more devious inverse. Arts & Culture Issue 19 A Sense of Suspense With unhinged imaginations and mountains of cliff-hangers, the filmmakers behind the sci-fi podcast Limetown have all the makings of a scary story. Arts & Culture Issue 19 Like Clockwork In this new column about time, we learn how slipping off our watches makes us feel like deadline-damning renegades. Arts & Culture Music Issue 19 On a Grander Scale Malaysian singer-songwriter Yuna now may live on the opposite side of the globe, but she’s determined to evolve while staying true to her roots. Arts & Culture Issue 19 Neighborhood: Fire Stations The firefighting profession has evolved over time from Ancient Rome’s rudimentary bucket brigades to today’s sleek life-saving departments.