Seoraksan National Park, Gangwon Province
Heundeulbawi Rock, in front of Gyejoam Seokgul Hermitage, also known as Sobbulbawi or Ugakam, meaning “ox-horn rock.” This large rock can be rocked back and forth without falling and it moves the same amount regardless of how many people are pushing it.
Photo by Ludo Kuipers, Wed May 14, 2014