La Sagrada Familia is a marvel of both the modern and ancient world of the catholic church, this has become a UNESCO world heritage site and is a beautiful master piece of architecture that has been in construction since 1882. the design was by a catalan architecture Antoni Gaudi who worked on the cathedral until his death in 1926. Worked continued until the spanish civil war of 1936 where it stalled. The cathedral is huge . The cathedral is expected to be completed in 2026
La Sagrada Familia nave roof img credit
for more about the cathedral follow the link below of La Sagrada Familia website
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Section of the cathedral interior img credit