Hand putting a red plastic building block into a container with three layers of fluid of different densities; syrup, water, and oil. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / DK IMAGES |
Taille de l’image : | 2758 px × 3415 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |