The upcast reflection of a lamp and shade, an inconstant series of concentric circles of varying gradations of light and shadow.
Moreover, on the free surface of the lake in Stephen’s green amid inverted reflections of trees her uncommented spit, describing concentric circles of waterrings, indicated by the constancy of its permanence the locus of a somnolent prostrate fish (cf mousewatching cat).
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Stonehenge consists of massive stones arranged into concentric circles.