https://landsat-diss.eo.esa.int/oads/data/LandsatETMCloudFree/L07_RKSE_ETM_GTC_1P_20000421T123817_20000421T123845_005416_0220_0015_BF9A_v0100.SIP.ZIP
https://landsat-diss.eo.esa.int/oads/data/LandsatETMCloudFree/L07_RKSE_ETM_GTC_1P_20000710T123730_20000710T123759_006581_0220_0015_BF7B_v0100.SIP.ZIP