Leaving Kuanyint'ang there is a drop into a ravine and then a stiff climb of a few hundred feet to reach the pass over a range of mountains, the watershed between the Lo and Yellow rivers. This ridge is really the end of one of the principal ranges of the Ch'inling Shan, the one which runs east and west right across Shensi immediately south of the Wei River.

Dame, what makes your ducks to die? / What the pize ails 'em? What the pize ails 'em?

Another new phenomenon described by Stephens et al.[86] is called “chromothripsis”. Chromothripsis describes a massive genomic rearrangement in one or more chromosomes in a single catastrophic event during the cells' history,

He that hath clean hands shall be stronger and stronger.