It was a countdown clock–given to the bar’s owners by a liquor company. The clock was racing backwards–it told you how many days, hours, minutes and seconds were remaining in the 20th Century.

Wind up! The clock face is the second-most photographed in the UK (Liverpool Echo) By David Holmes 14:39, 13 Mar 2015Updated14:47, 13 Mar 2015 ...

In a viral video posted by Twitter page Historic Vids, the climate clock at New York's Union Square has reached the date when global warming will become irreversible and that day is 6 years from now.