Lioness with Cubs

The cubs are approx 3-4 months old and when we visited Longleat last week 8/9th June 2011, they had only been out for about 2 weeks.
The cubs had wandered quite far and mum had gone and rounded them up by walking over to them, and then letting out low growls to get them to come to her. They were soon bouncing all over her and the one whose tail is right by her mouth she had had in her mouth. Taken through the window of the bus and any blur is because the bus was vibrating like mad and sss couldn't quite co