Railway-sculpture of pilgrims at the crossroads

In the former spa town of Železnice, there is a very nice, tall and unusual sculpture at the intersection of four streets - Menclova, Na Tvrzi, Zámecká and Za Humny. It probably depicts two seated pilgrims in front of a gate with a globe at their feet. The gate together with the figures form something similar to a wreath. In the niche of the tall column is a statue of the Virgin Mary. Hopefully one of the locals will clarify what the statue represents and...