Religions such as Christianity, Buddhism, and Hinduism use works of art in the interiors and exteriors of the places of worship as a way of connecting gods with people. ... Its purpose was to convey the powerful presence of the apostle, the message he spread, and to remind people of the beginnings of Christianity.
Secco fresco refers to painting an image on the surface of a dry plaster wall. This medium requires a binder since the pigment is not mixed into the wet plaster. Egg tempera is the most common binder used for this purpose.