Moroccan design collective Atlas Lumina seized three Cannes Lions with "Desert Glyphs," projecting sustainable energy wisdom onto Marrakech medina walls using concentrated solar power. Commissioned by UNESCO’s Intangible Heritage Programme, the installation employs heliostat mirrors that focus sunlight onto thermochromic plaster surfaces. When temperatures exceed 45°C during midday, centuries-old Berber proverbs about water conservation materialize in cobalt-blue Arabic script, disappearing at dusk to reveal photovoltaic cells powering community wells. 

The participatory ritual begins at dawn: residents align polished brass compasses to reflect light beams activating time-lapse projections showing groundwater depletion patterns. Educational impact measured by Energy Ministry surveys reveals 91% increase in sustainable practice adoption among participants, with 73 solar-powered irrigation systems installed in surrounding villages within six months. "We weaponized desert sun to preserve ancestral wisdom," stated creative director Leila Kassem, noting Google’s DeepMind has implemented the light-tracking algorithms for Nigerian solar farms. The King Mohammed VI Foundation commissioned permanent installations across 17 World Heritage Sites, transforming ancient pedagogies into luminous renewable energy manifestos.