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.
Emergency and rescue services rushed to the scene. But our reporter says it will take days to clear the track and to establish the numbers of the dead and injured.
Busy though he was as an ophthalmologist at Wuhan Central hospital, rushed off his feet, Li Wenliang never missed a chance to chat about his favourite things on Weibo.