home2.inet.tele.dk/psj/rundkirkerne.htm - "...a website devoted to the round churches on Bornholm. My father in law has built the church tower of the church of Ols and his father took part in the interior restoration of the church :-)"
www.kaerbyskolen.dk/.../krllebll.htm "Perhaps have you already met Krølle Bølle, the troll boy who has become a symbol of Bornholm? Allegedly, he lived in Langebjerg, not far from our cottages. Fact is, though, that the story was invented during WWII by Ludvig Mahler, who wanted to entertain his son during a vacation on the island."