The breakwater of the Palm Jumeirah contains over seven million tons of rock; each rock was placed individually by a crane, its position signed off by a diver, and given a Global Positioning System coordinate.
The breakwater of the Palm Jumeirah contains over seven million tons of rock. Each rock was placed individually by a crane, its position signed off by a diver. Each rock was placed individually by a crane. A crane was its position. This position was given a Global Positioning System coordinate.