Those two shapes are from 2000 and called fragmented forms.
They are vital markers of Lewis's development as an artist and are important precursors of his recent exploration of the interface between human and animal forms.
For those that can zoom in, there are five little statues placed around the first shape
It's a glorious view. Are there actually 2,000 statues in the garden or is that the number of pieces that the sculptor has made? It must be a huge area to be able to display them all so beautifully.