Barbara Klein tells us more. One of the first works in the "Common Threads" exhibit looks like glowing orange cave formations coming out of the floor and ceiling.

VOA: special.2009.07.17

The grains in the orange side you're supposed to be eating more of those than what might be a smaller slice of the pie here, or the triangle.

相比在这个图中用小块表示的食物种类,用橘黄色表示的谷物类食物是你该多吃的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

but... and more trains to Orange County would be really nice

但是……到橘子郡的火车多一点就更好了，

坐地铁上班 - SpeakingMax英语口语达人