Overhead view of a forest with a stark distinction between vibrant green conifers and a few isolated leafless trees, casting long shadows in the low sunlight

overhead forest green conifers leafless trees long shadows low sunlight forest contrast aerial view tree diversity woodland orest canopy green trees bare branches topdown forest view autumn onset deforestation tree disease aerial forest perspective seasonal transition environmental impact canopy contrast vibrant greenery pale branches seasonal change diseased trees dead trees nature contrast tree health woodland diversity environmental change nature patterns