Scottish estate have again blasted campers for leaving behind equipment- after tents and rucksacks were abandoned at a scenic loch.Three tents were left behind at Loch Muick yesterday.But a kind-hearted traveller was praised for tidying them up.During the coronavirus crisis, workers at the sprawling royal estate have found litter numerous times- including human waste.Balmoral Castle posted the pictures on Twitter.They then tweeted: "Three abandoned tents at Loch Muick today! Thanks very much to