E3 2010: day one in pictures

Trade show installer Ray Cruz sets up lights at the Los Angeles Convention Centre in preparation for the first day of E3 2010 Photograph: Gus Ruelas/Reuters Photograph: Gus Ruelas/guardian.co.uk Anthony Le, of Colorado, attends E3 dressed as War Machine from the movie Iron Man 2 Photograph: Gus Ruelas/Reuters Photograph: Gus Ruelas/guardian.co.uk Nintendo president Satoru Iwata shows off the company's new 3DS handheld gaming device Photograph: Phil Mccarten/Reuters Photograph: Phil Mccarten/guardian.co.uk E3 attendees try out the new Nintendo 3DS Photograph: Gus Ruelas/Reuters Photograph: Gus Ruelas/guardian.co.uk Sony executives Kevin Butler and Peter Dille present the company's newest products for the PlayStation 3 Photograph: David McNew/Getty Images Photograph: David McNew/guardian.co.uk Microsoft senior vice president Don Mattrick introduces the new, slimmer Xbox 360 Photograph: Damian Dovarganes/AP Photograph: Damian Dovarganes/guardian.co.uk Nintendo senior managing director Shigeru Miyamoto shows off the new Wii game, The Legend of Zelda: Skyward Sword Photograph: David McNew/Getty Images Photograph: David McNew/guardian.co.uk Gamers try out the 30th anniversary Pac-Man Championship Edition Photograph: Gus Ruelas/Reuters Photograph: Gus Ruelas/guardian.co.uk Producer Vincent Pontbriand presents his new game Assassin's Creed: Brotherhood at Ubisoft's E3 press conference Photograph: Valerie Macon/AFP/Getty Images Photograph: Valerie Macon/guardian.co.uk E3 showgoers Monte Lutz, left, and Nick Burton try out a new game for the Xbox 360 Kinect Photograph: Phil Mccarten/Reuters Photograph: Phil Mccarten/guardian.co.uk Paris Hilton arrives at Activision's E3 preview event … the question is, why? Photograph: Vince Flores/EMPICS Entertainment Photograph: Vince Flores/guardian.co.uk