Local boy was walking by Lake Kurtna Matasjarv in Estonia when he noticed tracks leading into the lake, but not coming out anywhere.
The lake was too small for boating or anything like that and located in the middle of nowhere. He knew that there was no good reason for those tracks being there which heightened his curiosity.
For two months, he saw air bubbles emerging from this lake. After some investigation, a team started to probe deeper into the mysterious clues surrounding the lake. Read the full story here ▶
