![After-144-long-years-of-construction,-the-Sagrada-Familia-is-the-largest-unfinished-Catholic-church-in-the-world-and-part-of-a-UNESCO-World-Heritage-Site](https://videocdn.cdnpk.net/harmony/content/video/partners1550/thumbnails/BB_cafc7efd-eb61-4d67-963e-b1e46bed5449_small.jpg)
After 144 long years of construction, the Sagrada Familia is the largest unfinished Catholic church in the world and part of a UNESCO World Heritage Site
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