Blue tiles (Azulejos) on exterior of Chapel of Santa Catarina (Chapel of Souls), UNESCO World Heritage Site, Porto, Norte, Portugal, Europe

porto blue tiles azulejos santa catarina portugal architecture culture artistry heritage unesco intricate design southern europe traditional art storytelling historical site decorative tiles religious art local tradition craftsmanship mediterranean vibrant colors tourist attraction portuguese tiles tiled facades spiritual significance baroque architecture historic monument visual narrative cultural icon european history local culture sacred spaces church exterior tiled mosaics art history architectural beauty sacred art community devotional art regional art narrative art handcrafted tiles folk art historical storytelling cultural heritage stunning imagery ornamental design architectural detail mosaic art communal identity