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This giant wood saw is installed outside the Tokyo International Exhibition Center (aka Big Sight), Tokyo, Japan.
The 15.4 (50 ft. 8 in.) metres long, 12.2 metres (40 ft.) wide and 1. 5 metres (4 ft. 9 in.) thick saw is made of Steel, epoxy resin, fiber-reinforced plastic, PVC foams; painted with polyester gelcoat. Installed in March 1996 it is known as "Saw, Sawing" and artwork of the artistic team of Coosje van Bruggen and Claes Oldenburg.
Source of info: oldenburgvanbruggen.com