In pictures: Clinton's library

1 of 12 Former US President Bill Clinton was joined for the opening of his library by the current and former presidents.

2 of 12 President Clinton's library cost $165m (£88m) to build and has won praise for its design.

3 of 12 U2 rock stars Bono and The Edge performed at the ceremony, which was attended by about 30,000 guests.

4 of 12 George W Bush, the 43rd president, described President Clinton, the 42nd, as "an able and energetic American".

5 of 12 Bill Clinton, who recently underwent open heart surgery, was once again in the spotlight.

6 of 12 Hillary Clinton joined her husband for the grand opening in Little Rock, Arkansas.

7 of 12 John Kerry, the Democratic senator who failed to unseat President George W Bush was also there...

8 of 12 ... as was Mr Clinton's former Vice-President Al Gore, who missed out to President Bush in the 2000 election.

9 of 12 The library contains nearly 77 million documents and 1.8 million photos.

10 of 12 The centrepiece is a replica of the Oval Office as it was in Mr Clinton's time in the White House.

11 of 12 Mr Clinton's personal memorabilia are on show, including his saxophones and family photos.

12 of 12 Election campaign buttons mention Hillary Clinton and even the family cat, Socks.