https://lifeboat.com/blog/2022/01/turkmenistan-plans-to-close-the-gates-of-hell-a-giant-natural-gas-crater-that-has-been-burning-for-over-50-years Safeguarding Humanity Sun, 09 Jan 2022 21:22:35 +0000 hourly 1 https://wordpress.org/?v=6.5.5