** https://sentineldatahub.github.io/DataHubSystem/
** https://scihub.copernicus.eu/
** Toolbox + Python API: httpshttp://earthstep.esa.int/webmain/sentineldownload/toolboxes/sentinel-2
* Education
** Radar Vision (ESA): https://www.youtube.com/watch?v=o3cp4gBdXYU