Hikers saved after rescuers see a large SOS sign in the woods. They didn't build it, so who did?

Hikers saved after rescuers see a large SOS sign in the woods. They didn't build it, so who did?

A Japanese mountain rescue in July 1989 turned into a famous cold case, known today as the Mount Asahidake SOS mystery. That year, searchers located two lost hikers after spotting a massive “SOS” sign built from birch logs. The baffling part? The rescued men were adamant they had nothing to do with it, leaving investigators wondering: whose desperate plea they had just answered? It all began when two men from Tokyo went hiking between Kurodake a…