https://zenodo.org/record/7229828/files/digital_surface_model_0_0.tif 
https://zenodo.org/record/7229828/files/digital_surface_model_0_1.tif
https://zenodo.org/record/7229828/files/digital_surface_model_1_0.tif
https://zenodo.org/record/7229828/files/digital_surface_model_1_1.tif