Great Wall of China protected from erosion by coat of lichen and moss – Canada Boosts
A bit of the Nice Wall of China made with rammed earth AtthameeNi/Shutterstock The Nice Wall of China is being shielded from erosion by a “biocrust” of moss, lichen and cyanobacteria, a lot because the wall as soon as shielded the nation from northern invasions. The wall, constructed and rebuilt many occasions between about 200…
