Ben Nevis, Britain's tallest mountain, is a little bit bigger than we thought.
The Ordnance Survey (OS), has re-measured the Scottish peak and its official height is now put at 4,411ft (1,345m) - a metre taller than before.
"Not wrong just different," said Mark Greaves, OS geodetic consultant, who worked out the measurement.
(Photo: Ben Nevis. Credit: Thinkstock)