Peter Zumthor, one of my (and Esben And The Witch's - http://drownedinsound.com/in_depth/4141904-esben-amp-the-witch-on-their-favourite-structures) favourite architects has designed this year's pavillion.

Photos here: http://www.guardian.co.uk/artanddesign/gallery/2011/jun/27/peter-zumthor-serpentine-pavilion-architecture#/?picture=376201941&index=0