material plane in relation to the other planes-of-existence

tunnels into, and caverns within, sub-planes-of-existence

geometries of planes-of-existence

recycling in planes-of-existence

cosmography of the universe in regard to planes-of-existence

diagramming the planes-of-existence

rotation in order to shift between planes-of-existence

planes-of-existence as juncture of opposite time-directions

diagram repraesenting relationship among universes material and immaterial

planes-of-existence -- their qualities and functions

cosmography in Puraan.a planes-of existence