Massive accumulations of gypsum and other sulfates in the La Corona lava tube system in Lanzarote, Spain. Credit: Bogdan Onac Lava tubes on Earth have been studied for signs of ancient microbial life, ...
A Tube passenger – called Sami – posted a picture of a fellow traveller sitting with only one shoe on after he donated the other to a sightless man. Sami told Metro the blind man lost his shoe ...