So its not enough to have Lourdes grotto in France we need them all over the place. And if we don't have a natural mountain / cave - we can build one! If we don't have Merry we can build a sculpture, that will do. It is a artificial build cave like one in Lurd, France. Build be local Christians. Was popular to build sins 1898 most of them you will find in Somogathia - the western part of Lithuania.