An overhead view of a forest showing patterns of shadow and light across the terrain, with both vibrant green trees and several pale, leafless trees interspersed

overhead forest view shadow patterns light vibrant green trees leafless trees natural patterns ecosystem contrasting textures aerial nature dense woodland aerial view healthy trees dry branches green backdrop forest diversity environmental health tree condition nature photography diseased trees living forest nature contrast tree health woodland diversity forest canopy environmental change nature patterns ecosystem health tree mortality natural diversity woodland health dead top down aerial