| Your weekly Londonist roundup, featuring Londony news and features from the past seven days. 100s of ideas for London fun without paying a penny. Another map you need in your life. Here's what you need to know, including how to get tickets. Prepared by your own private chef (sponsor). Londonist turns 18! Like a commercial Tate Modern in duplicate. Thames flotsam and jetsam as high art. Complete with mini-Hogsmeade station. RIP Angela Lansbury. Enjoy at your convenience. Competition time! (sponsor) Light tunnels, fire gardens and lasers. And it'll soon be easier from the Central line too. London's best festive ice rinks. Human remains, and lots of smiles. Listed Sunday School building is getting a revamp too. A Sotheran's veteran tells all. Ketch it while you can. | 