Basilica of Our Lady of Licheń
The Basilica of Our Lady of Licheń [ˈlixɛɲ] (Polish: Bazylika Najświętszej Maryi Panny Licheńskiej) is a Catholic church at the Shrine of Our Lady of Sorrows, Queen of Poland, in the village of Licheń Stary near Konin in the Greater Poland Voivodeship in Poland. It is the largest church in Poland and one of the largest church buildings in the world.
Source: Wikipedia — Basilica of Our Lady of Licheń (CC BY-SA 4.0)