<PHOTO – Richard Lautens/Toronto Star> You know you’re in TORONTO when you see the beacon light atop the Stalinistic Canada Life Building on University Avenue. Forecast information is updated four times daily, seven days a week, thanks to Environment Canada. What do the lights mean? Green (clear); Red (cloudy); Flashing Red (rain); Flashing White (snow). Lights on the tower struts – Up (warmer); Down (cooler); Steady (no change)More than 1,000 incandescent bulbs once illuminated the beacon, but these have now been replaced by energy-saving LEDs.The fifteen-storey Canada Life Building, University Avenue at Queen St. West, remains one of TORONTO’s largest office buildings.