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BLOOD: Today’s opportunities to donate blood are at The Hop Exchange in Southwark Street, St Mary Abbots Centre in Kensington, Immanuel and St Andrews Church in Streatham and Central Library in Bromley. See site for terms and conditions
GARDENING: Join this workshop about indoor gardening held by Kate Wilkinson, Senior Horticulturalist at the Chelsea Physic Garden. Learn how to deal with pests, compost, watering and taking care of your beloved plants. £20, prebook, 11.30am-1pm
FAMILY FUN: Head to Kingswood House in South Dulwich for The Kingswood Draw, a family event with four ‘art labs’ and lots of creative activities. There’s even an edible art lab. Free, just turn up, 2pm-8pm
MUSIC IN A CHURCH: Decide whether you'd like to take part in the performance of Handel’s Messiah, at St John’s Smith Square, or just listen to it. There's a compulsory rehearsal in the afternoon if you're interested in performing, while the public performance is in the evening. £12-£5, prebook, 2pm (rehearsal)/ 7.30pm (concert)
WALK: Not Just Tea At The Ritz is the themed walk about London's biggest and most luxurious hotels around Mayfair. Meeting point is Green Park Stratton Street exit. £8/£6, just turn up, 6pm
CAMDEN LOCK: Enjoy a late opening of Camden Lock Market with food, music and table tennis: Out The Box kicks off tonight and will repeat every week throughout the summer. You can also join a craft workshop during the evening at the Ruby Dock, as part of the event (£5, prebook, 7pm). Free, just turn up, 6-11pm
LATE ART: As ever, the National Portrait Gallery opens late for after-work viewing, with music, drinks and talks. Free, just turn up, 6-9pm
HOUSING ISSUES: Why are the British so obsessed with house prices? Danny Dorling presents his new book All That Is Solid and tries to answer the question, in conversation with author Ed Howker. £8+bf, prebook, 6.30pm
NATIONAL THEATRE: Get a discounted price and see the preview of The Silver Tassie at the National Theatre. The historical play about the Fist World War has sold out quickly for recent days but it will be on until 3 July. £15, prebook, 7.30pm
BARBICAN: A performance of These New Puritans, whose music is a mix between experimental rock and classical music. This one-off event sees their collaboration with Synergy Vocals and the brass, strings, and percussion of the Heritage Orchestra, conducted by Edwin Outwater. £15-20, prebook, 7.30pm
GIG: Listen to the folk and blues vocals of Tiny Ruins, performing tonight at The Local in Dalston. £7.50, prebook, 7.30pm
COMEDY: Head to Aces & Eights in Tufnell Park for an evening of comedy featuring Nick Helm, Alistair Green, Aisling Bea, Mat Ewins and Will Seaward on stage. £6+bf, prebook, 8pm
WAREHOUSE PARTY: Under The Tree is a warehouse party taking place at the Loft Studios in Kensal Green. Expect high quality music, lighting, laser-shows and 3D visuals. £15+bf, prebook, 10pm
Have You Tried …
…Wingit? If you want even more ideas on things to do in London then new app Wingit uses an algorithm to scan social networks and find great London events happening near you in real-time. From performances to pop-ups, screenings to street art, download the free app today to see what’s going on just round the corner.
This week’s Things To Do In London is sponsored by Wingit.
Good Cause of the Day
Join a talk about child adoption and dual approval organised by PACT charity, taking place tonight at PACT at CAN Mezzanine, 49-51 East Road, London, N1 6AH (nearest tube Old Street). Listen and get suggestions from people who have experienced adoption. PACT also has a donation page where you can contribute to support its activities. Free, prebook by email or by phone, 6.30pm
London Connection Puzzle
Your clues so far are DUCKETT and MATTISON. Today's addition is LAUSANNE. What's the London connection? No need to email in, as we already have a winner.
From the Archive
On this day last year we shared an interesting article about trees in London. Did you know that there are approximately as many trees in Greater London as there are Londoners (7 million)?
Name Those Stairs!
Something a bit more dingy today. Who can guess the London location of this dimly lit set of stairs?
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