Sunscreen Ad Revealed Only When the Sun Comes Out [VIDEO]

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This billboard for Nivea sunscreen in Rio de Janeiro, Brazil, features a mosaic made up of 1 million white beads that become colorful when exposed to the sun. The creative advertisement is on display in the sunshine during the day and at night offers a teaser message.

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Developed by AgenciaClick Isobar, the mosaic depicts a woman sunbathing on the sand, with the beads reacting to the sun's UV rays to provide vivid colors, except for the white letters of the tagline covered with Nivea Sun protection. At night, without the sun shining on the billboard, the surface is white with a simple tagline.

Check out the video below to see how the large mosaic was put together.