What can you tell me about the Cathedral of San Salvador in Oviedo?
The Cathedral of San Salvador is a significant historical site in Oviedo, built over the original church founded in the 8th century. The current structure dates back to 1388, showcasing a blend of architectural styles. It houses the Cámara Santa, a UNESCO World Heritage Site, which contains important Christian relics, including the Arca Santa and the Cross of Victory commissioned by Alfonso III.