Let's toast to 2014's last night - and 555 kg of grinded champagne bottles!

Alicja Kwade, 412 Lieter bis zum Anfang ('555 kg of grinded champagne bottles'), 2008

Ann Veronica Janssens, Untitled, 2014, glitter

Royden Rabinowitch, Medium Grease Cone, 1969, steel and grease