Original: George Bull , Penguin Classics , ( 1965 ) Giotto 's masterwork is the decoration of the Scrovegni Chapel in Padua , commonly called the Arena Chapel , completed around 1305 .
Simplified: George Bull , Penguin Classics , ( 1965 ) Giotto 's greatest work is the decoration of the Scrovegni Chapel in Padua , finished around 1305 .