🇯🇵 Japan · Rock art
Fugoppe Cave Petroglyphs
Jomon (Final to Zoku-Jomon) · Zoku-Jomon maritime hunter-gatherers of western Hokkaido
Hokkaido shore tuff cave with 800 winged-human and boat incisions 300 BCE–500 CE, Jomon rock art.
🇯🇵 Japan · Megalith
Oshoro
Jomon Mid–Late 2500–1800 BCE (Hokkaido) · Jomon Hokkaido (Oshima–Shakotan)
Hokkaido Jomon stone circle (2500–1800 BCE) at Oshoro Otaru — 30 m with 47 boulders and Fusen rock art above Oshoro Bay.