This dramatic photograph by Reuters illustrates clearly the violent nature of human males. If you study the faces and bodies closely you'll see that both men are fully engaged in the task of smashing the other into oblivion.
Faces are contorted, muscles stand taut, the fists as weapons are raised both offensively and defensively, ready to strike at body or head, to create damage, a knockout if possible or to deflect or absorb a blow. Both fighters duck and weave and dance during each three minute encounter while they seek a golden opportunity to put the other away.
The result of these encounters sometimes can be no more than a black eye, a cut eyebrow or even a broken bone but there is also the real possibility of brain damage and death. The prize for the victor might be a smallish purse or a garish belt although, in the highest ranks, millions of dollars are sometimes at stake.
Next time you wonder about the sanity of wars, remember this photograph.