rels.ak on Instagram: "this educational Reel highlights an innovative green energy project in Japan. The video features footage of busy urban sidewalks in cities like Tokyo and Kyoto, with overlaid animations showing embedded piezoelectric materials in the pavement. As pedestrians walk, run, or jump, the surface slightly deforms, converting kinetic energy from footsteps into electricity via pressure on special crystals. Generated power lights nearby street lamps, powers public displays, and even