知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 ” The cave is easily warm with average humidity, and a little muddy stream flows by way of it. Even though specialised equipment isn’t needed, it’s a good idea to carry protective gear to prevent soil and guano staining along with a trusty flashlight for navigation. 日本、韓國、菲律賓、越南、馬來西亞、泰國、阿拉伯、柬... https://rg8888.org/app/