Tomb secrets yet to be unlocked from 1,600 years ago

Click here to see video https://www.bbc.com/reel/embed/p07lq60x

Key-hole shaped tombs in Japan. Video by Matt DworzańczykImage courtesy of Sakai City Government and Sakai City Museum

All kind of megalithic pyramids have awed the ancient local populace for generations. Japan’s ancient Kofun tombs remain relatively unknown or unvisited locations by tourists. This BBC video documentary clip gives a rare English view into the labour-intensive creations of the early centuries of the First Millennium.