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Workers prepare to move 340-ton rock to L.A. County Museum of Art

Jae C. Hong / AP

Joe Schofield stands in front of a 340-ton rock as he and other workers prepare to transport the rock from Riverside County to the Los Angeles County Museum of Art at Stone Valley Materials in Riverside, Calif. Image made on Sept. 22.

Jae C. Hong / AP

Joe Schofield welds a giant steel beam built to support a 340-ton rock as he and other workers prepare to transport the rock from Riverside County to the Los Angeles County Museum of Art at Stone Valley Materials in Riverside, Calif. Image made Sept. 22.

AP reports:

In Greek mythology, Sisyphus was condemned by the gods to push a giant rock up a hill for eternity. In modern-day LA, the city's largest museum has spent months — and $5 million to $10 million — trying to get a 340-ton boulder from a dusty quarry in Riverside onto its campus west of downtown.

When the teardrop-shaped chunk of granite finally arrives it will become the focal point of acclaimed earth artist Michael Heizer's latest creation, "Levitated Mass." Museum visitors by the thousands are expected to walk under what will be one of the largest environmental art creations ever placed in an urban setting.

Read more here.