Time Capsules: In 1973, Warhol started preserving ephemera from his day-to-day life-correspondence, newspapers, souvenirs, childhood objects, even applied aircraft tickets and food stuff-which was sealed in basic cardboard containers dubbed Time Capsules. On 15 December 2008, a citizens' investigation commenced with the target of in search of an clarification for the casualties of the Sichuan earthquake that occurred on twelve May 2008.