But their surfaces bear witness to homely labor: Topping the tallest stone, once part of a trilithon, is a tenon—half of a mortise-and-tenon joint borrowed from woodworking.

但的表面见证了平凡的劳动：曾是三塔组成部分最高的那块有一个凸榫——是木材加工借鉴而来的半个榫臼接头。