Umberto Boccioni 's two versions of his 1911 tryptich States of Mind grapple with the emotions of people at a railway station -- those who go , those who stay , the platform farewells -- while Carlo Carrà 's Milan Station , painted a year earlier , looks like a mouth full of girders , a gigantic maw ; which , I guess , is what entering that sooty station might have felt like to a traveller .