PoS(ICRC2021)1207 ONLINE ICRC 2021 THE ASTROPARTICLE PHYSICS CONFERENCE Berlin | Germany 37 th International Cosmic Ray Conference 12–23 July 2021 A shell like kilometer spaced array or a honey comb one around Icecube D. Fargion, a, b ,* P.G. De Sanctis Lucentini c and Maxim Khlopov d,e, f a Physics Department Rome University 1, P.le A. Moro 5, 00185, Rome, Italy b INFN Rome1, P.le A. Moro 2, 00185, Rome, Italy c Physics Department, National University of Oil and Gas Gubkin University 65 Leninsky Prospekt, Moscow, 119991, Russia d Centre for Cosmoparticle Physics “Cosmion” National Research Nuclear University ”MEPHI”, Kashirskoe Sh. 31, Moscow 115409 , Russia e Université de Paris, CNRS, Astroparticule et Cosmologie, F-75013 Paris, France f Institute of Physics, Southern Federal University, 344090, Rostov on Don, Russia E-mail: daniele.fargion@fondazione.uniroma1.it, desanctislucentini.pg@gubkin.ru * Presenter © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0). https://pos.sissa.it/