A five-block pedestrian mall topped by an arched steel canopy and filled with computer-controlled lights, the Fremont Street Experience, between Main St and Las Vegas Blvd, has brought life back to downtown. Every evening, the canopy is transformed by hokey six-minute light-and-sound shows enhanced by 550,000 watts of wraparound sound and a larger-than-life screen lit up by 12.5 million synchronized LEDs. Soar through the air on ziplines strung underneath the canopy from Slotzilla , a 12-story, slot-machine-themed platform.