I'm nowhere near to the quality of what's shown here, but this picture blew my mind. Enjoy.
I found this incredible pix somewhere in the internet without retaining the author's name.
However, he is responsible for the french version, the English with any mistakes are wholly mine.
English
This exchanger (?, from the Collins dic) of Huan jue wan was finished last week in the periphery of Chongqoing, enormous metrpolis in the south-west of China, after eight years of construction.
The work superimposes five levels where the tallest one is 37 meters tall. No less than 15 ramps had to be constructed to allow the traffic to go from one level to another, in eight directions.
French
L'échangeur de Huang jue wan a été achevé la semaine dernière en périphérie de Chongqoing, immense métropole du sud-ouest de la Chine, après huit années de travaux.
L'ouvrage superpose cinq voies de circulation dont la plus haute culmine à 37 mètres. Pas moins de 15 bretelles ont dû être construites pour permettre aux véhicules de passer d'un niveau à l'autre, dans huit directions.