It's 1948 and hydro-electric power is transforming Scotland's Grampians.
Anthony Gilkison
7.1
2006
7.7
2003
3.7
1972
9.0
2015
0.0
2014
10.0
1960
1973
8.1
2018
2021
2022
7.0
1924
6.6
2011
1986
1967
1956
2023