Bornholm the migrants did not remain. Bornholm also attracted many famous artists at the beginning of the 20th century, forming a group now known as the Bornholm school of painters. In addition to Oluf Høst, they include Karl Isaksson (1878–1922), from Sweden, and the Danes Edvard Weie (1879–1943), Olaf Rude (1886–1957), Niels Lergaard (1893–1982), and Kræsten Iversen (1886–1955). Bornholm, as a part of Denmark, was captured by Germany on 10 April 1940, and served as a lookout post and listening station during the war, as it was a part of the Eastern Front. The island's perfect central position in the Baltic
Bornholm Butterfly Park Bornholm Butterfly Park Bornholm Butterfly Park () is located on the western outskirts of Nexø on the Danish island of Bornholm. Over a thousand brightly coloured butterflies from around the world can be seen in a large former hothouse while wild Danish species abound in the flowery garden. The butterfly park was founded in 1997 in a former nursery garden. Visitors can experience the many different species in natural surroundings. Mating can also be seen as well as the development of eggs into caterpillars and chrysalises. In the butterfly house there are also quails which dispose of ants and snails.