HAL - if we're going to bandy numbers around let's get them right for frac's sake... 5.6 TRN cubic metres (trusting your source) would be a cube with a side of dimension 17.758Km, i.e. 17,758m. So that's 5600 cubic Km. And even if you hadn't dropped the order of magnitude, your far less impressive cube of side 1758m would be a more impressive 5.6 cubic km not 1.75 cubic km. That's if I've done my sums right. Still fecking big though which I think was your point, presumably equivalent to squeezing shit from 3200 rocking horses.