Things To Do Today: Wednesday 16 March 2016

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See Rebecca Louise Law's flower installation, opening today. Image: Rebecca Louise Law

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Things to do today:  

FLOWERS: Everything's coming up (and down) roses at St Christopher's Place today with the opening of Rebecca Louise Law's installation that's a veil of 1,200 flowers. For five days only, the square will be alive with colourful blooms from the artist admired by Jimmy Choo, Hermes and Mulberry. Free, just turn up, 9am

OLD STREET WALK: Follow in the footsteps of Poverty, Preaching And Philanthropy on this Old Street walking tour. Discover the history of what was one of the most deprived areas of London. Explore burial grounds, social housing and a cathedral-like chapel, while learning about the philanthropy that helped to alleviate the area's 19th century poverty. £12/£9, prebook, 11am-1pm

HALF PRICE PIZZA: Pizza Pilgrims are 4, so bring a birthday candle to any Pizza Pilgrims branch (Soho, Exmouth Market, Kingly Street) to light up their giant pizza birthday cake. There'll be free shots in the evening too for every candle-baring, birthday-wishing visitor. 11.30am-10.30pm

Start today's Leica Trek The Trail at St Paul's. Image: Ranjeev Peeka

QUIZ TRAIL: Leica invite you to Trek The Trail around London this Wednesday. Staring at St Paul's Cathedral, head along the Thames completing trivia questions as you go. There's a chance to win prizes including Leica Photography Academy sessions. £2, prebook, 11am-6pm (trail takes approx. 30 minutes)

THE ATOMS FAMILY: Head to Imperial College's South Kensington Campus to explore the secrets of atoms, and how they could help reveal the answers to some of our greatest challenges. Get hands-on at this intriguing evening based on the college's groundbreaking research. Free, prebook, 5pm

THIS IS LONDON: Ben Judah talks about his latest book, This Is London, at the Dutch Centre. An acclaimed foreign correspondent, Ben's turned his talents to writing about his home city — exploring a side of London unknown to many, spending nights sleeping rough and interviewing everyone from gangsters to witch-doctors. £10/£5, prebook, 7pm

FILM: Too cold for shorts? Never at Shorts On Tap. Tonight, seven Belgian films come to 93 Feet East, revealing stories about this culturally diverse corner of Europe encompassing three communities, three regions and four language areas. £3, prebook, 7pm

FUTURE OF MEDICINE: Five speakers, 15 minutes each: hear about the future of medicine and current research from a selection of experts at Conway Hall. Roger Highfield, Gaia Vince, Jo Marchant, Charles Fernyhough and Alexander Masters share their knowledge tonight. £8.56, prebook, 7pm

VOCAL WORKSHOP: Love singing, but are only brave enough to do it in the shower? Or maybe you can carry a tune, but want to deepen your creative intuition? This circle singing and vocal improvisation workshop will help you free your voice to its full capacity. All levels of experience are welcome. £14, prebook, 7.30pm

COMEDY: Flatshare Slamdown with Pappy's AND Isy Suttie's The Things We Do For Love? Yep that's right — two shows for the price of one. Special guests include the legendary Kevin Eldon. Get yourself to the Phoenix for plenty of mid-week silliness. £11/£7.70, prebook, 8pm

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Good cause of the day

There's still time to get in training for London's Air Ambulance's Royal Ramble 5km Family Challenge at Hampton Court Palace. Get your jog on for charity at this historic location. The route is suitable for anyone aged five and over, families are encouraged to enjoy it together, and you can rest afterwards with a picnic in the beautiful grounds. £45 per team (up to five people), register on the website. 17 April 2016