Kanas Lake is located in the Altay prefecture in northwest China's Xinjiang Uygur Autonomous Region. /CGTN

Kanas Lake is the second largest deep-water lake in China, and has a water depth of 190 meters. /CGTN

Its waters originate from Kanas Glacier and run for over 125 kilometers before joining the lake. /CGTN

The color of the lake changes with the seasons, light, and temperature difference between morning and evening. /CGTN

Since the late 1980s, there have been numerous sightings of monsters in the Lake. /CGTN

Scientists speculated the mysterious creatures could be Hucho taimen, a species of freshwater fish in the salmon family. /CGTN

This amazingly beautiful lake has struck both fear and curiosity into people for several centuries. /CGTN