Authors: Yury N. Bratkov
Comments: 4 pages - English. 4 pages - Russian Edited from Vernadsky / Brown microsymposium-46 on comparative planetology, Moscow, 2-3 October 2007.
An exact multiring structure on the Earth is described. The center of concentric rings is Yaroslavl city at Great
Russian Plane. Elements of rings are: 1) the highest summits of big mountain ranges, 2) important civilization
centers. Some comparing with Mars and Venus is given. Embedding of integer-valued distances is discussed.