Even for non-religious people the use of light in the Sagrada Familia cathedral may evoke feelings of enlightening and elevation. When designing the sacral building the famous architect Antoni Gaudi deliberately designed windows and put stained glass in particular places to create the feeling of a sacred ground flooded by light. The light of course standing in for a spiritual presence. Being religious or non-religious, the Sagrada Familia is a special place evoking strong feelings.