Spotlights have also been installed in the sides, floor and roof compartment so direct and indirect illumination makes His Holiness more visible when darkness falls.

CNN: Holy rollers: Popemobiles from trucks to limos

When darkness falls, the gland produces more melatonin, which promotes sleep.

CNN: Should your teen take melatonin for help with sleep?

Somehow when you mix China, mining and money, darkness falls.

FORBES: Asia's Week: Another Wild One on China's Business Frontier