View wall of the island castle.

When walking through Žižková street from the church to the castle, an interesting building appears on the right side near the castle. It is a high, whitewashed wall with many niches, pillars and blinded windows. Its height is a little above the houses in the street, and a spiral staircase leads to its upper part. Around the wall is a small park with benches and an iron book of the city of Ostrova. From the table on the wall, which by the looks of it has been there for years, the tourist learns…