Steichen39;s choice of photographs assumes a human condition or a human nature shared by everyone. By purporting to show that individuals are born, work, laugh, and die in everywhere in the same way, 34;The family of Man34; denies the determining weight of history--of genuine and historically embedded differences, injustices, and conflicts. Arbus39;s photographs undercut politics just as decisively, by suggesting a world in which everyone is an alien, hopelessly isolated, immobilized in mechanical, crippled identities and relationships.lt;图片2gt;lt;图片1gt;