surface of the earth not covered by water has been relatively comprehensively investigated, since access is as a rule relatively simple, but underwater and underground areas are noticeably less popular and even on the surface, <a href=https://www.openstreetmap.org/user/kali_roses>https://www.openstreetmap.org/user/kali_roses</a>, a lot of everything has to be discovered in little things in maximally remote and inaccessible areas of the wild.
