 Singapore's first automated, unmanned lighthouse, Bedok lighthouse stands at 76 metres above sea level.It began operating on 9 August 1978 and its 600,000 candle light beam was reported to be visible at sea for up to 42 km.It cost $225,000 and was a replacement for the Fullerton Lighthouse on top of Fullerton Building, which would be obscured by high-rise buildings in what is now the Marina Bay area.