fig. 3.20 top; Luminescent rammed earth fig. 3.19 above; Luminescent rock fig. 3.16 left; Adding PVC pipes at varying angles creates a nique effect of tunneled light concentrated in certain areas depending on the light source location.
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3.17; right; The effect of concentrated light against the raw earth illuminates the texture, denying any sense of homogeneity at this level.