A single object, a single shape, a single colour,' is how Anish Kapoor summed up Leviathan, his response to the Monumenta challenge this year. Radically departing from Christian Boltanski’s busy collage-like approach in Personnes for Monumenta 2010, Kapoor has filled the 13,500 square metre space with a single cavernous entity which surges through the Grand Palais roof.

Private Wallace Tratford arrives home on leave, Drouin, Victoria, ca. 1944. A.I.F. Private Wallace Tratford, son of 1st Constable James Tratford, Drouin's only policeman (responsible for area of 105 square miles; 3,000 people), arrives home on his first leave from New Guinea battlefronts since he was married.

Dove Jo (L) and HJ Kim kiss beneath a 26-foot statue inspired by the iconic kiss between a nurse and a sailor in Times Square August 12, 2010 in New York City. Alfred Eisenstaedt took the famous photograph on V-J Day marking the end of World War II. (Photo by Mario Tama/Getty Images)

A Peugeot 408 car is displayed during the 2011 (15th) Shenzhen-Hong Kong-Macao International Auto Show at Shenzhen Convention and Exhibition Center on June 2, 2011 in Shenzhen, Guangdong Province of China. The 6-day Auto Show will be held from June 2 to 7 with total exhibition area of 110,000 square meters. (Photo by ChinaFotoPress/Getty Images)

Beluga the bog poses as Britney Spears during the 17th annual Tompkins Square Halloween Dog Parade October 28, 2007 in New York City. The event is the largest dog Halloween party in the United States with an annual attendance of over 400 costumed dogs. (Photo by Mario Tama/Getty Images)

Participants gather in the Union Square subway station during the annual No Pants Subway Ride on January 8, 2012 in New York City. The annual event is staged by the group Improv Everywhere which encourages people in dozens of cities worldwide to discard their pants while riding the subway. (Photo by Mario Tama/Getty Images)

Jorge, an immigrant from Mexico, dressed as the Sesame Street character Elmo rests in Times Square, New York July 29, 2014. Elmo and Cookie Monster have long delighted young viewers on TV's “Sesame Street”, but the recent antics of New York street performers dressed as the beloved characters have drawn the ire of city officials and now the show's producers. Sesame Workshop, which owns the rights to Big Bird, Ernie and the assorted puppet monsters on the 45-year-old program, said on July 29, 2014 it was drafting plans to stop performers who dress up as the characters from appearing in Times Square, where they pose for photos with tourists and then demand tips. (Photo by Eduardo Munoz/Reuters)

Israeli magician Hezi Dean stands atop of a tower where he intends to remain for 35 hours, at Rabin square on May 18, 2011 in Tel Aviv, Israel. Dean started his most recent stunt Wednesday in an attempt to break the record of American illusionist and endurance artist David Blaine. Dean was raised on the 27-meters high tower Wednesday morning and aims to remain there with no food until Thursday evening, for a total of 35-hours. (Photo by Uriel Sinai/Getty images)