A film, also called a movie, motion picture, theatrical film, or photoplay, is a series of still images that, when shown on a screen, create the illusion of moving images. (See the glossary of motion picture terms.)
The mass is a matrix from which all traditional behavior toward works of art issues today in a new form. Quantity has been transmuted into quality. The greatly increased mass of participants has produced a change in the mode of participation.
Walter Benjamin, “The work of art in the age of mechanical reproduction,” Illuminations (1968), p. 239.
Understanding the relationship between climate and ecosystems is crucial to preventing undesired changes to our environment, such as desertification and the loss of species. However, the multi-component and multi-scale nature of ecosystems makes them difficult to easily understand.