This piece was first published on April 30, 2014, to mark the 20th anniversary of Ayrton Senna's death
History of the San Marino and Emilia Romagna Grand Prix in Formula
Ayrton Senna - Wikipedia
Tribute to Ayrton Senna
Ayrton Senna: Master of F1 and His 3 Most Memorable Races
Ayrton Senna at Imola in 1994
Ayrton Senna: Top 10 moments in F1 that defined a legend
Imola 20: Black Sunday
Ayrton Senna: The inside story of the Formula One legend's death
Ayrton Senna: The inside story of the Formula One legend's death at
Ayrton Senna: The inside story of the Formula One legend's death