The present invention provides a reflecting surface is flat, such as a mirror, of any shape, such as circular, to install on the rims or support of windows, horizontally or slightly inclined, or on the walls or on the ground; the said reflective layer, or mirror, representing a symbol such as a symbol religious, or national, or the lines emblematic of a person or a divinity or a pictogram or a text, in order to reflect the said symbol by the sun's rays or of the moon, or by an electric light on the walls or ceiling or the ground of a chamber, or on an outside wall, the device may comprise means of azimuthal rotation and / or high.
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