Gas leak responsible for 'eye of fire' in Mexican waters, says oil company
https://edition.cnn.com/2021/07/03/americas/gulf-of-mexico-fire-intl/index.html
We can notice leak of gas by seeing burning gas on the sea. But, if it leaks without burning, it will be difficult for us to notice the leakage.
So, gas pipelines under the sea or in the sea should be much more durable than ordinary pipelines.
