Cuenca Cathedral Introduction: The construction of Cuenca Cathedral (la Inmaculada Concepción) took nearly 100 years to complete. Its appearance is majestic, 105 meters long and 43.5 meters wide. The height of the central dome is 53 meters and the diameter is 12 meters. The biggest feature of the exterior walls is that they are all made of clear red bricks, and the craftsmanship is very exquisite.