"A sphere is an elementary unit, Black Square of a natural environment, typically thing-in-itself, sealed null-form. It's presence changes an environmental quality, as though an area would gain a complimentary dimension and imbue with alternate, metaphysical vibration" (N.Galperin)
Sessions were conducted on the coast of Gulf of Finland. Material of construction: gauze, plaster. Diameter of the objects: 0,4-1 metres.