Seven years.
It took 12 years.
Window washers typically take about 2 to 3 months to clean the windows of one of the Petronas Towers in Kuala Lumpur. This extensive process involves specialized equipment and techniques due to the tower's height and design. The frequency of cleaning is usually every 3 to 6 months, depending on weather conditions and environmental factors.
how long does it take to build a asimo
It took minutes to destroy but years to build
20000miles
how long did it take to build the half moon
how long did it take to build the scottish parliment?
how long did it take to build cabot tower
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3 to 4 hours
The first round of construction at Kilkenny Castle was begun in 1192 and completed in 1195. Three towers from that original structure remain. It was added to over time.
hs2 will take 15 years to build