"What remains of those years?"

[madmcmurphy]

And why not "Cosa rimane di quelli anni?"

[Viaggiatore]

This may help: http://iltavoloitaliano.com/learning_about_Italian_words_for_This_That_These_Those/
Quelli is a pronoun form: http://wiki.answers.com/Q/What_is_the_English_translation_of_the_Italian_%27quelli%27