Las Vegas Suggests That The Thirst For Places, For Cities And Gardens And Wilderness, Is Unslaked, That People Will Still Seek Out The Experience Of Wandering About In The Open Air To Examine The Architecture, The Spectacles, And The Stuff For Sale, Will Still Hanker After Surprises And Strangers. That The City As A Whole Is One Of The Most Pedestrian-unfriendly Places In The World Suggests Something Of The Problems To Be Faced, But That Its Attraction Is A Pedestrian Oasis Suggests The Possibility Of Recovering The Spaces In Which Walking Is Viable.