By Graeme Murray & Elizabeth Hunter A glimpse has been given inside an abandoned aquarium with cleaning chemicals and animal food left to gather dust. An urban explorer took footage inside the UK’s first ever SeaLife centre – which has been empty for six years. Daniel Sims, 35, known on YouTube as BeardedReality heard about Barcaldine SeaLife centre on the shores of Loch Creran in Oban, Scotland and decided to investigate. The sanctuary was the first SeaLife centre in the country opening its doors in 1979 – but closed in October 2018 after visitor numbers plummeted. Now, the site lies abandone…