... Future seminars . ... The flows and pools on Mars" . L.V. Ksanfomaliti (IKI) . ... Proofs appear that the nature of extended dark formation on crater’s slopes and hills of Mars is connected with now existing sources of fluid water, disposed on declivities, and produced by its flows, rather then with moving the greater masses of dry sand (dust) or with rolling stones. ... Presence of greater spares of permafrost on Mars and conditions for its local melting to fluid phase is well known. ...