Chengdu urban spread. Satellite images of Chengdu,China in 1992 (top) and 2013 (bottom),showing how the urban area (grey) has expanded over the years to cover more of the surrounding countryside (green) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Planetobserver |
Bildgröße: | 2484 px × 3513 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |