Originally Posted by
WHBM
The oil depot (picture above) is not the mainstream supply to Heathrow, which comes by long-distance pipeline from the refinery
Via a new build (early 60's?) pipeline that connected up to the WW2 era GPSS and PLUTO fuel pipeline systems, one of the many immense wartime infrastructure projects undertaken in such a short period of time during the war, and which are still being used to this day to our benefit.