Nae Day Sae Dark (David Annand)

Came upon this wonderful sculpture in Perth today, based on the poem by William Souter.

Nae day sae dark; nae wud sae bare;
Nae grund sae stour wi' stane;
But licht come through; a sang is there;
A glint o' grass is green.

Wha has na thol'd his thorter'd hours
And kent, whan they were by,
The tenderness o' life that fleurs
Rock fast in misery?