What's on this week: 22-29 April

Every spring, the 19th-century greenhouses at the royal palace in Laeken are opened to the public for three weeks. Closed Mondays. No advance ticket purchase, so expect to queue. On 26 April, the route is adapted for wheelchair users and visitors with disabilities.
Until 6 May; Avenue du Parc Royal, Brussels; €2.50

The biggest and most prestigious beer festival of them all, Zythos offers 88 booths, mostly small and independent brewers, pouring over 500 beers, including some of the hardest to find as well as new beers. Each 10cl tasting costs €1. A starter’s packet costs €10 and includes a glass and five tokens.
23 April, 12.00-23.00 & 24 April, 11.00 to 21.00; Brabanthal, Brabantlaan 1, Leuven; free

The Brussels International Guitar Festival celebrates one of the music world’s most popular and versatile instruments. The guitar is a mainstay of folk, popular and art music styles the world over. This fifth edition also celebrates the 50th anniversary of the guitar programme at the Royal Brussels Conservatory, inaugurated in the 1960s by visionary Nicolas Alfonso. The festival features performances by conservatory luminaries and folk heroes alike. Guests hail from as far afield as Argentina, birthplace of the tango. There are also master classes, interviews, exhibitors and the finale of the international competition.
22-26 April at Théâtre du Vaudeville, Brussels

My Walking Is My Dancing: Join the dancers of Rosas and P.A.R.T.S. on a very slow walking/dancing tour through the city centre, turning walking into a mindful and unique experience.
23 April 11.00-16.00, multiple starting points across Brussels

A terrace, deck chairs, DJs, table tennis and table football, and three different food trucks per week: it's time for Frunch, a Visit Brussels initiative that turns the staid Place Royale into a hip happening lunch spot every Friday from 12.00 to 14.30 until 23 September.
The BIP courtyard, Place Royale 11, Brussels

300 films, 26 countries, numerous parties and competitions - from 27 April to 8 May it's the 19th edition of the Brussels Short Film Festival. The festival which has become a leading force in uncovering new talent takes over seven venues in Ixelles and Brussels City including an outdoor arena on the Mont des Arts where the shows are free.

Lush landscapes, hard-edged architecture and subtly surreal figures - French painter Arthur Aillaud combines landscapes, architecture and figurative painting to create works that fit perfectly in the contemporary world but at the same time contain classical references and originality.
Until 28 May, Galerie La Forest Divonne, Rue de l'Hôtel des Monnaies 66, Saint-Gilles

Having given up the role of gallery owner, French expat Charles Riva who divides his time between New York and Brussels is celebrating his seventh anniversary as an art collector in Brussels with two shows, Un Voyage en Mer at the Riva Collection and Human Figure at the Riva Project. The show at the Collection juxtaposes Riva's collection of American artists with Belgian artists all on a maritime theme, while the show at the Project combines Oceanic sculpture with contemporary European and American sculpture.
Un Voyage en Mer until 18 June, Human Figure until February 2017

Independent Brussels is 300 artists, 60 galleries from over 30 countries but it's also a new way of organising art fairs. After seven years in new York, Independent is in Brussels. Read more about the initiative here.
Thursday 21 April 14.00-19.00, Friday 22 April and Saturday 23 April 12.00-19.00. Admission free. Vanderborght building, Rue de l’Ecuyer 50, 1000 Brussels