Fig. 1From: “Mi Fuma il Cervello” self-portrait series of Alighiero Boetti: evaluation of a conservation and maintenance strategy based on sacrificial coatingsPhotographic documentation of the statue during an exhibition (a); detail of the hidden heating system (b); formation of calcareous deposit as a result of water evaporation (c). All photos courtesy of Alighiero Boetti’s HeirsBack to article page