A rectangular tunnel is part of an ancient irrigation system in south-western Madeira. Such tunnels are not only large enough for the water but also give access to maintenance worker to rugged terrain | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Alean, Dr. Juerg |
Bildgröße: | 3486 px × 5233 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |