A tenebrionid beetle, Onymacris rugatipennis, it buried itself one moment and then rushed forth again, as if skating along the surface of infinite sand grains.

我们还看见种拟步行（Onymacrisrugatipennis）把自己埋进，又向前冲，好像在无垠的溜冰，动作之快，我几乎来不及抢拍牠的模样。