Children sit under a crocodile based table, as they pose for photographers during a press preview of a themed auction that features the animal as artistic inspiration, entitled “Creatures Great and Small”, in London, Monday, December 15, 2014. The sale scheduled for December 17, 2014, explores animals across a diverse range of mediums and styles, from intricate carving details in 19th century furniture through to contemporary sculpture, according to Christie’s auction house. (Photo by Lefteris Pitarakis/AP Photo)

Children lay underneath a hippoptamus' occasional table, as they pose for the photographers during a press preview of a themed auction that features the animal as artistic inspiration, entitled “Creatures Great and Small”, in London, Monday, Dec. 15, 2014. (Photo by Lefteris Pitarakis/AP Photo)

A girl sits under an art installation depicting a gorilla entitled “Silver Back” by artist David Mach, as she poses for the photographers during a press preview of a themed auction that features the animal as artistic inspiration, entitled “Creatures Great and Small”, in London, Monday, December 15, 2014. The two-meter tall gorilla by the Turner Prize nominated artist is the third of an edition of three, the first of which holds the Guinness World Record for the largest art installation made entirely from coat hangers. (Photo by Lefteris Pitarakis/AP Photo)

A girl touches an art installation depicting a gorilla entitled “Silver Back” by artist David Mach, as she poses for the photographers during a press preview of a themed auction that features the animal as artistic inspiration, entitled “Creatures Great and Small”, in London, Monday, December 15, 2014. (Photo by Lefteris Pitarakis/AP Photo)

Children lay underneath a hippoptamus' occasional table, as they pose for the photographers during a press preview of a themed auction that features the animal as artistic inspiration, entitled “Creatures Great and Small”, in London, Monday, December 15, 2014. (Photo by Lefteris Pitarakis/AP Photo)

A girl touches a bronze sculpture depicting a rhinockeros as she poses for the photographers during a press preview of a themed auction that features the animal as artistic inspiration, entitled the “Creatures Great and Small”, in London, Monday, December 15, 2014. (Photo by Lefteris Pitarakis/AP Photo)

A girl stands next to an art installation depicting a gorilla entitled “Silver Back” by artist David Mach, as she poses for the photographers during a press preview of a themed auction that features the animal as artistic inspiration, entitled “Creatures Great and Small”, in London, Monday, December 15, 2014. (Photo by Lefteris Pitarakis/AP Photo)

A girl touches a steel and stained child's tricycle from early 20th century modeled as a branding horse, as she poses for the photographers during a press preview of a themed auction that features the animal as artistic inspiration, entitled the “Creatures Great and Small”, in London, Monday, December 15, 2014. (Photo by Lefteris Pitarakis/AP Photo)

People stand next to an early 20th century elastolin life-size model of a kangaroo is seen during a press preview of a themed auction that features the animal as artistic inspiration, entitled the “Creatures Great and Small”, in London, Monday, December 15, 2014. (Photo by Lefteris Pitarakis/AP Photo)

A girl touches a bronze sculpture depicting a rhinoceros as she poses for the photographers during a press preview of a themed auction that features the animal as artistic inspiration, entitled the “Creatures Great and Small”, in London, Monday, December 15, 2014. (Photo by Lefteris Pitarakis/AP Photo)

A girl touches an art installation depicting a gorilla entitled “Silver Back” by artist David Mach, as she poses for the photographers during a press preview of a themed auction that features the animal as artistic inspiration, entitled “Creatures Great and Small”, in London, Monday, December 15, 2014. (Photo by Lefteris Pitarakis/AP Photo)