Public a chance to stand on the landmark for 100 days . The Square 's ` ` empty '' fourth plinth will require 100 days . Artist Antony Gormley using people in artwork called ` ` One & Other '' Trafalgar Square is landmark destination for young , people .
Public get chance to stand on London landmark for 100 days . Trafalgar Square 's `` empty '' fourth plinth will feature 2,400 volunteers . Artist Antony Gormley using people in artwork called `` One & Other '' Trafalgar Square is landmark destination for tourists , Londoners .