Complex sentence: In 1969 he directed as well as designed "Aida" for the Arena di Verona Festival (revived in 1970), though from time to time Damiani returned to the Piccolo Teatro and Strehler.
Split into simpler sentences: In 1969 he directed as well as designed "Aida" for the Arena di Verona Festival (revived in 1970). Though from time to time Damianai returned to the Piccolo Teatro and Strehler.