Paris, the City of Light was produced by Benjamin Trancart. His notes about the production include the following gear:
Canon 7D (~$1200)
Canon EF-S 18-135mm (~$500)
Canon EF 16-35mm (~$1500)
Dynamic Perception Stage Zero slider with Stage One dolly (~$1500)
Emotimo TB3 three axis pan and tilt motion control head (~$800)
Helinox folding camp chair (~$90)
No info on post-production gear or method.