license_type=CC BY 4.0 license_string_short=sonny.4lima.de license_string_medium=sonny.4lima.de - SONNY's LiDAR DIGITAL TERRAIN MODELS (DTM) OF EUROPEAN COUNTRIES license_string_long=sonny.4lima.de - SONNY's LiDAR DIGITAL TERRAIN MODELS (DTM) OF EUROPEAN COUNTRIES, CC BY 4.0 data_provider_name=Various (compiled by Sonny) data_provider_homepage=sonny.4lima.de date_of_generation=2023/07/03