Hantan River Gorge Hike 

#korea#hiking#yeoncheon
1. I hiked along the Hantangang River in Yeoncheon-gun, Gyeonggi-do, Korea. The Hantangang River has developed columnar joints, creating a beautiful valley. When you come to Korea, be sure to walk along Yeoncheon Hantangang Columnar Joint Road.
2. Yeoncheon-gun Prehistory Museum is where the Acheulean hand ax was discovered. It is an important Early Paleolithic site that shows that Acheulean hand axes were used in East Asia 350,000 years ago. The Acheulean hand ax was a very advanced civilizational tool at the time, comparable to today's smartphone.
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