YAV members & children at Sunderland Museum @YAV_Sunderland members & children had a fantastic time @SundMuseum at the Lights & Telescopes Day: Investigating Light Workshop with @kielder_obs 🌟#haf2022 #wearhere4summer #yav96 #yav25years pic.twitter.com/QeqozzBqBz— YAV (@YAV_Sunderland) September 1, 2021 Posted in Uncategorized.