ALAN SIRULNIKOFF / SCIENCE PHOTO LIBRARY ALAN SIRULNIKOFF / SCIENCE PHOTO LIBRARY
Maple syrup production. Maple syrup is made by reducing (boiling down) the sap of the sugar maple (Acer saccharum) to raise its sugar content. This is traditionally done in large open iron kettles, as seen here. Maple syrup is widely used in sweets and desserts. Photographed in Ontario, Canada.
Model release not required. Property release not required.