Assuming that a subject is not front-lit, small shadows created by even quite fine details and textures can really stand out in black and white, making for excellent images.
black and white crocodile skin
Assuming that a subject is not front-lit, small shadows created by even quite fine details and textures can really stand out in black and white, making for excellent images. This is why old, weathered subjects such as barns, old fence posts and even wrinkly old faces tend to look great in black and white as their rough surfaces can be accentuated.