The Lourdes Grotto was built in 1903. Rohrener carters brought about 100 loads of rubble stones while hard-working helpers from Widdau brought 50 loads of sand from the Rur. By …
The Olberg Grotto was built by Pastor Hesseler in 1904. The plans were drawn up by Father Rademanns of Steyl. Wagoners from Widdau and Rohren brought approximately 80 loads of …