Undara Lava Tube
2021年7月23日, オーストラリア ⋅ ☀️ 23 °C
QLD
These cool caves and tubes were created by hot lava. The archway is the top layer of lava that cooled and crusted while the deluge of hot lava continued to flow.
I find it hard to get my headもっと詳しく











旅行者Unbelievable 😱