Maple sap boiling over open fire in old-fashioned kettles. Sap will become syrup when most of its water content boils away. Maple syrup was first collected and used by aboriginal peoples of North America. | |
Licence : | Droits gérés |
Crédit : | Science Photo Library / Matulavich, Peter |
Model Release : | Non requis |
Property release : | Non requis |
Durée : | 10 Secondes |
Aspect ratio : | 16/9 |
Restrictions : | - |