Vitralls Bonet, Stained glass restoration Gaudi - Vitralls Bonet Spain, Barcelona.

The engraved surface of the glass using a chemical treatment gives an example here of all its possibilities. Pilar de Ahumada drew this entrance. Engraved glass helps in creating relaxing and elegant atmospheres. The basis of the procedure is simple but can build drawings of unlimited complexity and describe several shades of colour or tones. It also prevents intruders from peering inside.