This is version 1 of the dataset. See download link below
Link to version 2 (containing additional test data): https://mediatum.ub.tum.de/1483140
Link to version 3 (containing 2 more training testing splits): https://mediatum.ub.tum.de/1613658
A detailed description of this dataset, and its different versions: https://github.com/zhu-xlab/So2Sat-LCZ42