You can identify red oak vs white oak trees by studying their acorns. White oak acorns are topped with a thick, warty, bowl-shaped cap and are typically light tan, large, and heavy with an oblong ...

The photos are all taken in black and white, and include beech, alder, acorn, willow, almond, and apricot trees. Take a look at some of his most powerful photos. Ali Shokri lives in Tabriz, Iran.