Historical maps of Helsinki Old maps and ortophotos of Helsinki. Submit Last Created Popular Relevance Name Ascending Name Descending Last Modified Go 1 dataset found Orthophotographs of Helsinki This dataset provides the orthophotographs of Helsinki in GIS API from 1932 to present day. Additionally, photos from 1988, 1976, 1969, 1964, 1950, 1943 and 1932 are provided as... WMS WMTS TIFF