What Are Blue Holes

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=ec3h4L8Fljc

Blue holes are basically underwater sinkholes formed over thousands of years — here’s what a dive beneath the water reveals 🌊 • » Sign up for our newsletter KnowThis to get the biggest stories of the day delivered straight to your inbox: https://go.nowth.is/knowthis_youtube • » Subscribe to NowThis Earth: https://www.youtube.com/channel/nowth... • #BlueHole #Sinkhole #Earth #Environment #NowThis • Connect with NowThis Earth • » Follow us on TikTok: https://go.nowth.is/Earth_TikTok • » Follow us on Instagram: https://go.nowth.is/Earth_Instagram • » Follow us on Snap: https://go.nowth.is/Earth_Snap • » Follow us on Facebook: https://go.nowth.is/Earth_Facebook • NowThis Earth is daily news coverage of climate, sustainability, biodiversity, species extinction, environmental justice, and other planetary concerns. • NowThis is your premier news outlet providing you with all the videos you need to stay up to date on all the latest in trending news. From entertainment to politics, to viral videos and breaking news stories, we’re delivering all you need to know straight to your social feeds. We live where you live. • / nowthisearth • @NowThisEarth

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