La cathédrale Saint-Louis de Carthage

We were in Tunis for a few days last week, and spent a day in Carthage. I was surprised to find this cathedral on the top of Bursa Hill.

This morning I found these words in my Lingq

o belo é a manifestação sensível da verdade

Does Yandex give me a good translation?

красивый-это проявление чувствительный самом деле

Wikipedia and such tell me that construction on this "ancient building" was begun in 1884. Here is a photo of the the flight of stairs leading up to the roof: