It has often been said that a European night at Anfield is like no other, creating the pinnacle of the matchday experience for many Liverpool supporters.
Maybe it is the bright floodlights or the uniqueness of a match starting in daylight and ending in darkness. Perhaps it is the presence of continental supporters or talented players from across Europe who you might not ordinarily see. Or the pride in Anfield's rich European pedigree that makes the crowd raise it's game to the highest level.
Whatever it is that makes European nights so special at the famous old ground, there is none greater than a semi-final and this week both players and supporters will once again be granted the huge privilege of experiencing yet another one when Liverpool host Spanish side Villareal for the first leg on Wednesday night.