This image conveys the scale of factory farming, a major contributor to climate change. People don't easily make the link between animal products and climate change, but showing this 'behaviour' at an industrial scale is a better way of making the link than just showing an individual action (e.g. someone eating chicken).
WHAT IT SHOWS: Timmermans egg farm produces deep litter eggs. 30,000 chickens in a coop, 9 chickens per sq m. Maaseik, Belgium.