It is an island with a famous complex landscape somewhere in the East Sea of Korea.
It currently belongs to Guljin County in Kanjongbuk-do Province, and in the past it was in Maju County in Kanjongbuk-do Province.
An interesting map for fans of difficult roads with a lot of turns.

In version 0.1.2:
- There were too many light sources, so I deleted most of those that were not optimized and replaced them with a glow texture.