Monuments in London are floodlit for people to see.
Full title reads: "'London in Fairyland'. The King and enormous crowds thrilled to see magic effect of famous buildings illuminated for first time by floodlighting."
Shots of unidentified monument being lit by floodlights (still very dark).
Tilt down front of Westminster Abbey.
More shots of monument.
Shots of clock tower of Palace of Westminster (aka Big Ben).
N.B. Despite title not shots of King George V.