**TO GO WITH AAP STOR SLUGGED: UK ARTIST** A supplied photo of London artist Stephen Wiltshire, made available Monday, April 26, 2010, who will be in Sydney this week to sketch the city’s skyline from memory. Wiltshire was diagnosed with autism when he was three and learned to communicate through his art work. (AAP Image/Colman Getty Consultancy) NO ARCHIVING, EDITORIAL USE ONLY