The Mystery Of The Miami Circle (Documentary)

July 1998, downtown Miami, Florida. Six apartment blocks have just been demolished, to allow the construction of two brand new 40-storey skyscrapers. As construction workers prepare the site, they notice a strange phenomenon in the ground - a perfectly preserved circle of large holes, almost 13 metres across. What they had stumbled upon would generate huge excitement and controversy: either they had unearthed a rare and mysterious 2,000 year old Indian site - or a 1950s septic tank...