Above view of a magnetic compass the needle always points north and south because of the earth's magnetic field | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Dorling Kindersley / UIG |
Taille de l’image : | 4068 px × 4296 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |