"I recommend getting inside the net. It's very good for you," jokes marine ecologist Peter Harrison. "It's good for your skin, it's good for your…
![Looking out from inside the entrance of the Umm Jirsan lava tube cave.](https://static.majalla.com/styles/760x533/public/2024-07/174566.jpeg?h=980be8a6)
"I recommend getting inside the net. It's very good for you," jokes marine ecologist Peter Harrison. "It's good for your skin, it's good for your…