Yes, they made a giant moving clock from trucks

Clocks are the most precise machines ever invented so, to demonstrate the precision of the telematics system in its new 373kW S-Series 18-wheelers, Scania created the world’s largest clock face, using 14 S-Series as the hands, and kept perfect time for 24 hours as a team of 90 drivers drove round and round in precise circles at precisely calculated speeds.

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