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BLOOD: Today’s opportunities to donate blood are at Salvation Army International Headquarters in the City and Cathedral Hall in Victoria. See site for terms and conditions
WILDLIFE ART: The David Shepherd Foundation’s Wildlife Artist of the Year is now in its sixth year. Shortlisted works will be available to view and buy at Mall Galleries for just five days, exhibited alongside work by David Shepherd and selected guest artists. Free, until 7 June
PHOTOGRAPHY: Join a one-day photography course that explores the landscapes of Hampstead Heath, including its nature and ponds. Learn from professional photographer Elspeth Storrar, and free your creativity. £48, prebook, 2pm-4pm
PING PONG: Rich Mix hosts its monthly evening of Pongathon, which is more than just playing table tennis. You'll also find music, exhibition games and live art visuals. Entrance is free but you need to pay to play. £20 per hour, prebook, from 6pm
GUILDHALL LIBRARY: Tonight the historical library hosts the launch event of an exhibition celebration the 100th anniversary of the City Livery Club, ticket includes a wine and canape reception. £8+bf, prebook, 6pm
RUSSIAN ART: The founder of Russian Art Week leads a talk about the artistic avant-garde in revolutionary Russia. Tickets include a complimentary drink and a secret location, to be confirmed once you book the tickets. £10, prebook, 6.15pm
WWI: London historian and author Jerry White talks about his new book at London Transport Museum, which explores London and Londoners in the Great War. Ticket includes a return trip to the museum within one month of the event. Tickets: £10/£8, prebook, 6.30pm
BIG BROTHER IS WATCHING: Connected to Latitude Festival's main theme of secrets and lies, New Statesmen has organised a debate about surveillance in people's life. The event takes place at EJ Safra Lecture Theatre, led by a group of expert panelists. £15/£7.50, prebook, 6.30pm
GUIDED WALK: Visit the Totterdown Estate conservation area, as part of Wandsworth Heritage Festival. The guided tour is led by local historian and Blue Badge guide Janet Smith, meeting point is Edward VII statue at Tooting Broadway tube station. £5, just turn up, 6.30pm
MATISSE: A one-off event brings Henry Matisse to cinema screens. Connected to the latest exhibition at Tate Modern, the film is broadcast live from the art gallery in many UK cinemas. Find the nearest one to you in London and enjoy the show. Various prices, prebook, around 7pm
LEARN TO SING: Vocal master Cleveland Watkiss leads a vocal jazz workshop at the World Heart Beat Music Academy, where you can learn the basics of improvisation while singing. This short course starts today and includes four other lessons, check website for dates. £50 (for the whole course), prebook, 7pm-9pm
Find more London events in our Free & Cheap events listings.
In response to reader feedback, we've started publishing Things to do in London and sending it out as an email at 7pm in the evening to give you more advance notice of what's on the following day. We'll still Tweet and Facebook it in the morning and you'll still find it at the top of the site on the day in question.
Want to see your event in these last-minute listings? Email us at firstname.lastname@example.org at least 48 hours before the event, and we will consider it for inclusion. Note, due to high volumes of email, we can't always reply.
London Goodie of the Day
Popped into the National Gallery recently? Alongside the fine art and world class collections, there’s also a range of rather lovely London goodies on offer in the shop, and we’ll be featuring a different product each day this week.
Build your own model metropolis with Paper London, a kit that features 20 foldable paper replicas of London’s best-loved landmarks including Big Ben, Westminster Abbey and the traditional red phone box. Whether it’s a gift for a visitor or a memento of the beautiful building you pass every day on your way to work, it’s a chance to enjoy London on the mini.
This week's Things To Do in London is sponsored by the National Gallery.
Good Cause of the Day
Today you enjoy a charity make-up workshop with make-up artist Roberto Pasandin in support of COTA - Children Of The Andes. The workshop takes place at COTA offices in Leonard Street, and you can pay either by cash or by bank transfer. £25, prebook by email, 6pm-8.30pm
London Connection Puzzle
A new puzzle starts today, set by last week's winner Peter Hunt. The first clue is CAMDEN...which doesn't really narrow things down much, so please wait for clue #2 tomorrow before guessing. We'll give you a clue to get you thinking, though. This week's theme has a political dimension.