This is how you can tell Google has money to burn: it paints the cooling pipes in its data centres using the colours from its logo.
Google doesn't offer open access to its data centres, but Business Insider compiled a photo tour of images Google has published of its various locations. It's the coloured piping that really jumps out for us. Water cooling isn't the only option for cooling a data centre, but it's a popular choice, though managing the water itself can be tricky.
Hit the link for more images from Google's centres.
Take A Rare Peek Inside The Massive Data Centres That Power Google [Business Insider]