While most species use physical traits and pheromones to attract mates, some humans claim to rely on the inner beauty of their choices.
Black and White Photography
With the advent of color photography, black and white photography would have been passé. However, this is a medium that offers vast options for photographers. The timeless appeal of black and white photography can be used for any topic. Photographers in this case would need to use lighting and textures apart from composition and latest techniques to be rewarded with beautiful visuals.