The terrain began with large mounds of hard - packed dirt, which we had to take slowly, then progressed to small faster ruts, and finally ended with forgiving sand and a fast little rhythm section. (automobilemag.com)
(Crashing is what it sounds like — jumping / crashing into large mounds of pillows, blankets, etc.) Of course, her sisters (who do not have sensory challenges) love to do jump - jump - crash along with her. (attachmentparenting.org)
There are also three large mounds in the desert that contain the remains of maize and sugarcane that definitely came from 400 to 100 B.C.E., when the Paracas people dominated the region. (sciencemag.org)