A towering, conical mountain that compasses cannot understand. Sphinx-shaped megaliths arranged nearby in a pattern. Strange ancient ruins of a forgotten civilisation surrounded by wilderness.
The 1,515ft Senganmori mountain in Fukushima prefecture is shrouded in mystery.
Outside of Japan, Fukushima is best known as the region worst hit by the devastating 2011 Tohoku tsunami, which caused nuclear reactors to go into meltdown and spawned many tall tales of mutant plants and insects across the prefecture.
But for over 30 years,