Twin brothers and Brazilian artists Octavio and Gustavo Pandolfo, known together as Os Gemeos, just finished their latest project – a colossal mural covering six industrial silos on Granville Island in Vancouver, Canada. The mural, which is part of the Vancouver Biennale, depicts six vividly colored 70 foot (23 meter) tall characters. The six silos are wrapped all the way around,giving it a total area of 23,500 square feet (7,200 sq meters).

BERLIN, GERMANY - DECEMBER 04: A guest shows tattooed sign 'unbreakable' at the Berlin Tattoo Convention at Tempelhof Airport on December 4, 2010 in Berlin, Germany. The Tattoo Convention takes place for the 20th time. The organizers expect over the three days over 15,000 visitors. There are artists from Japan, China, Taiwan, USA, Canada, Australia, New Zealand, Tahiti, Samoa, and from all European countries as guests, who come up with the latest technics, designs and color creations. (Photo by Carsten Koall/Getty Images)