Oi gente eu amei muito esse vídeo tá muito legal só quem gosta de Jesus e Deus deixa o like no meu comentário que Deus te abençoe para sempre❤❤ amo vocês
Thank you for your comment! The geology of the Boso Peninsula is made of soft sandstone, so it can be digged by hand. The Kamawashi Tunnel was built to create a shortcut around a meandering river, and to clear the U-shaped part for farmland. This is a method of clearing land devised by farmers in the past in this area, where arable land is scarce.