BHG June 2014 article had something similar. The table is a raised bar-height table with a "salad bar" garden growing in the middle. Might make eating salads more fun. Could also plant with drink garnish herbs.
12 Landscaped Patios: Rodenburg Tuinen create magnificent plant-filled areas, as well as interesting hardscapes. Here, vertical plantings soften an expanse of brick, while terraced trenches line up with the stairs.