the guy in the pic is a bit weird but the table top he is making rocks. get a few vintage hairpin legs and place this on top with some grass growing out of the center - chic outdoor table
DIY Hypertufa Planters--this is a good beginner tutorial by a beginner.
made these rocks out of boxes covered with garbage bags, then covered the boxes with chicken wire, then covered rock with about 3 inches of pigmented hypertufa (portland cement, sand, peat moss mix). Gardenweb has a hupertufa forum that is interesting.