Amongst probably the most wonderful areas in Jerez de la Frontera is the inside of the cathedral. You can enter the cathedral for any charge of 7 EUR (see timetables and costs listed here) and then examine the cathedral, and each of the concealed corners (just like the Treasury) https://videntegratis13968.uzblog.net/jerez-de-la-frontera-hogar-de-videntes-extraordinarios-no-further-a-mystery-40869375