| Your weekly Londonist round-up. Know where to see a monkey, or bit of Roman wall? People are paying a pretty penny. Image: Paige Kahn We need to think beyond skyscrapers, argues John Grindrod. Image Matt Brown Sadiq Khan announces plans to expand Ultra Low Emission Zone. Photo: David Hawgood / CC BY-SA 2.0 Notting Hill wall chalked up. From the first curry house, to a placard-wielding princess. Sort of yes, kind of no. Image: Crossrail We've mapped these magnificent birds. Image: Noel Reynolds under creative commons licence The hottest art to see this month. An artwork featuring mandrake root. Copyright Patricia Dominguez. Larry Achiampong redesigns an icon. Beyond mudlarking. Ceremony near Russell Square this month. Tick tock... © Harry East Travel back in time, gaze up in awe. © The National Gallery, London Where to celebrate on 17 March. | 