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The Schleck brothers embrace after Andy's victory in 2009 (Image credit: Sirotti)
Pantani signs autographs in 2002 (Image credit: Sirotti)
Bartoli celebrates on the podium in 1997 (Image credit: Sirotti)
Danilo Di Luca wins for Liquigas in 2007 (Image credit: Sirotti)
Bartoli successfully defends the title in 1998 (Image credit: Sirotti)
Two in a row: Bartoli on the podium in 1998 (Image credit: Sirotti)
Andy Schleck crosses the winning line in 2009 (Image credit: Sirotti)
A sweeping shot of the peloton from 2009 (Image credit: Sirotti)
2008: Valverde wins for the second time in three years (Image credit: Sirotti)
Berzin (Gewiss) won the race in 1994. A few weeks later he beat Indurain and Pantani to take the Giro (Image credit: Sirotti)
Alejandro Valverde winning the race in 2006 before Puerto (Image credit: Sirotti)
Jan Ullrich left Telekom in 2002 and found a new home at Coast (Image credit: Sirotti)
Tyler Hamilton in his CSC colours (Image credit: Sirotti)
Lance Armstrong on the attack in 2003 (Image credit: Sirotti)
Frank Vandenbroucke raced in 2003 but was a shadow of his former self (Image credit: Sirotti)
Tyler Hamilton back in 2003. He's the only American to have won the race (Image credit: Sirotti)
Paolo Bettini taking his second and final win in 2002 (Image credit: Sirotti)
Oscar Camenzind winning the sprint in 2001 (Image credit: Sirotti)
Bettini launched himself onto the big stage with his win in 2000 (Image credit: Sirotti)
Frank Vandenbroucke took his biggest win in 1999. (Image credit: Sirotti)
Richard had his best year in 1996. In August he won the Olympic road race (Image credit: Sirotti)
Richard after winning the 1996 event (Image credit: Sirotti)
Pascal Richard was one of his generations best one day racers (Image credit: Sirotti)
A year after Berzin it was Mauro Gianetti who won the race (Image credit: Sirotti)
A tired Bettini had no answer for Davide Rebellin in 2004 (Image credit: Sirotti)
Juan Antonio Flecha back in his ibanesto days (Image credit: Sirotti)
Roberto Heras (US Postal) (Image credit: Sirotti)
World Champion Bettini stretching out the field (Image credit: Sirotti)
Andy Schleck on the podium in 2009 after his first and so far only classic win (Image credit: Sirotti)
Five years after his first win Alexandre Vinokourov came back to win in 2010 (Image credit: Sirotti)
Italian heroes: Bugno and Pantani at the start in 1997 (Image credit: Sirotti)
Pantani out of the saddle in 1997. Then world champion Johan Museeuw in the background (Image credit: Sirotti)
Marco Pantani riding Liege in 1998 (Image credit: Sirotti)
Tyler Hamilton winning in 2003 (Image credit: Sirotti)
Michele Bartoli was on a different planet in 1997 (Image credit: Sirotti)
Bartoli, Sorensen, Virenque, Jalabert and Sunderland in 1997 (Image credit: Sirotti)
Jalabert sets the pace in 1996 (Image credit: Sirotti)
Bartoli winning his first Liege title in 1997 (Image credit: Sirotti)
Bartoli stretches Frank Vandenbroucke to breaking point (Image credit: Sirotti)
Danilo Di Luca would win the race in 2007. Here he is a few years before (Image credit: Sirotti)
A young Marco Pinotti (Lampre) leads a break (Image credit: Sirotti)
Victor Hugo Pena (US Postal) (Image credit: Sirotti)
Kim Kirchen on the attack (Image credit: Sirotti)
This Sunday marks the end of the Spring Classics with Liège-Bastogne-Liège drawing down the curtain on what has arguably been one of the most exciting spring campaigns in recent memory.
To mark Sunday's race, Cyclingnews takes a look back at some of the most iconic moments from 'La Doyenne', stretching back to the early 1990s.