
Castle
Mainau Island
The roughly 45-hectare Flower Island in Lake Überlingen, with arboretum, rose garden and dahlia show. About 30,000 rose bushes of 1,200 varieties grow across the island.
Germany
Flower Island Mainau on Lake Überlingen, covering around 45 hectares, is the third-largest island in Lake Constance and has belonged since 1974 to the non-profit Lennart Bernadotte Foundation.
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