@tgk.vuman: Факат то охирша ❗ —————————— 🇪🇸 Spain is turning footsteps into electricity! Using piezoelectric tiles, every step you take generates a small amount of energy. Millions of steps together can power LED lights and public displays in busy areas like metro stations and city centers. A smart and sustainable way to build the cities of the future. ⚡🌍