Chester Rows Chester Rows Chester Rows consist of covered walkways at the first floor behind which are entrances to shops and other premises. At street level is another set of shops and other premises, many of which are entered by going down a few steps. The Rows, found in each of the four main streets of the city of Chester, Cheshire, England, are unique. Dating from the medieval era, the Rows may have been built on top of rubble remaining from the ruins of Roman buildings, but their origin is still subject to speculation. In some places the continuity of the Rows
Whiskers them understand how biological whiskers work and as a tactile sense for robots. These efforts range from the abstract, through feature-specific models, to attempts to reproduce complete whiskered animals in robot form (ScratchBot and ShrewBot, both robots by Bristol Robotics Laboratory). A range of non-mammalian animals possess structures which resemble or function similarly to mammalian whiskers. Some birds possess specialized hair-like feathers called rictal bristles around the base of the beak which are sometimes referred to as whiskers. The whiskered auklet ("Aethia pygmaea") has striking, stiff white feathers protruding from above and below the eyes of the otherwise slate-grey bird,