A ‘living skin’ is protecting the Great Wall of China from erosionhttps://t.co/qlwX1WNiB8
— MU-Peter Shimon 🀄 (@MU_Peter) December 14, 2023
Biocrusts, thin layers of moss and bacteria, may prevent wind and rain from damaging the world famous site pic.twitter.com/3gQAaQlv6U