Rare sight of 20189 accelerating through Llanbradach in the Rhymney Valley in South Wales.11/03/2023

With heavy rail all day, we see the very rare sight in the Rhymney Valley in South Wales of 20189 at the front end of the 1Z40 Excursion from Cwmbargoed to Dorrington, as it accelerates through Llanbradach station.
37403 'Isle of Mull' was at the rear.