@11sho04: 地底に広がる巨大洞窟😳🪨 想像以上の広さでびっくり😳 約1万年前から姿を変え続ける洞窟で、見学ルートだけでも約1.2km!テキサスでこれは必見✨ A Massive Cave Underground 😳🪨 Way bigger than I expected! 😳 This cave has been forming for around 10,000 years, and the tour takes you through about 0.75 miles (1.2 km) of incredible underground passages. Definitely worth seeing in Texas! ✨ #アメリカ #海外 #texas #caverns #cave