Brazilian graffiti artist Eduardo Kobra (blue shirt) puts the final touches to his piece of art in tribute to Brazilian architect Oscar Niemeyer at the financial center on Sao Paulo’s Avenida Paulista, January 22. Niemeyer, one of the 20th century’s most influential modernist architects, died in December 2012 at the age of 104. (Photo: Nacho Doce / Reuters via NBC News)