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BLOOD: Today’s opportunities to donate blood are at Brewers Hall, Charing Cross Hospital, Lewisham Shopping Centre and Walthamstow Assembly Hall. See site for terms and conditions
ART: Internationally famous photographer Steve McCurry tells us about his ongoing relationship with Afghanistan’s people, culture and landscape at the Beetles+Huxley gallery. He’s the author of the iconic portrait The Afghan Girl, which has become a worldwide symbol since its first publication back in 1985. Free, until 7 June
FREE MUSEUM: Florence Nightingale Museum celebrates the birthday of its heroine and offers free entry to everyone throughout the day. Free, just turn up, 10am-5pm
ART TALK: See artist Clifford Owens in conversation with curator Daniella Rose King, talking about his recent debut show at and Cornerhouse in Manchester, which marks his European debut. The talk takes place at Iniva art centre. £5+bf, prebook, 3pm
PHOTOGRAPHY: Meet professional photographer Richard Young on a one-off event at the Rib Room in Knightsbridge. Tickets include talk, drinks and canapés. £45, prebook, 6.30pm
YOGA & MUSIC: The House of St Barnabas is the scene of celebrations for the 5th birthday of Frame dance and fitness studio. Enjoy a restorative yoga session in the Chapel including a live acoustic set by Hannah in the Wars. £10, prebook, 6.30pm-7.30pm & 7.30pm-8.30pm
CLIMBING: Explore the history and technology of climbing with professional Mark Reeves, who will tell you all the secrets of this sporting activity. The event takes place in Waterloo. £10, prebook, 7pm
THE SOCIAL: Enjoy a night of music, words and film exploring the British uncanny and modern occult in relation to our history, culture, landscape and society. £5+bf/£8, prebook, 7pm
TASTER CLASS: Wear old clothes and prepare your artistic inspiration for the graffiti workshop happening at the London Jewish Cultural Centre, where you will be taught the art of using a spray can. £15/£18, prebook, 7.30pm
FILM SCREENING: As part of the Chinese Visual Festival, Riverside Studios hosts a double bill screening of Little Proletarian & The Cold Winter, two non-fiction documentaries about contemporary China. £7/£5, prebook, 7.30pm
Find more London events in our Free & Cheap events listings.
Good Cause of the Day
Book your tickets in advance for an evening of comedy and charity on Tuesday 20 May. Laugh Till It Hurts takes place at the Bloomsbury Theatre and presents a rich line-up of acts for the benefit of Macmillan Cancer Support. £15/£12+bf, prebook, 7.30pm
London Connection Puzzle
Congratulations to Sarah Eposito who was first to identify last week's solution (from just two clues). Bride Lane, Talbot Road, Nasmyth Street and Parkgate Road are all locations of modern distilleries. A new puzzle, set by Sarah, begins tomorrow.
From the Archive
On this day last year we shared a photo of an almost unreal-looking Canary Wharf silhouetted by a hazy sunrise, captured by Robin Baumgarten on Flickr.
Have You Clocked This Clock?
This week's set of picture puzzles all feature London timepieces. All you have to do is say where the photos were taken. To kick things off, where would you find this one? (Leave a comment on the article — those reading via email will find it here.)