We humans choose to separate ourselves by the color of our skin. Brown, black, yellow, red and white seem to be the major divisions. Racially we all fall into many more categories than these. Our search for dominance, for power, builds these barriers. Barriers we must tear down.
I chose the four direction facing Buddha as this symbol coloring each face differently and dividing the one into white skin and brown skin. This brown vrs. white divide has plagued America for generations and persists.