Artist creates 6-acre face shaped from dirt and sand. ... A 6-acre face shaped from dirt and sand now appears on the National Mall in Washington as the National Portrait Gallery's latest installment.

The 'dirt' here is made from "a mix of household dirts including sand, mud and dust". The portraits are a pretty impressive illustration of this vacuum's suction powers on both carpet and hard ...

A giant portrait of a young man’s face has emerged in the landscape of the National Mall in the first such public artwork commissioned by the National Portrait Gallery.