Your Christmas present might be here. Ralph D. Freso/Reuters As some of us start counting down to Christmas, tens of thousands of Amazon workers are getting to work packaging millions of products bought from the giant online retailer.

To handle it all, Amazon has nearly 90 massive distribution centres, which, put together, comprise more square footage than 700 Madison Square Gardens and could hold more water than 10,000 Olympic swimming pools.

The following pictures show what it's like inside five of Amazon's factories, in the US, the UK, Germany, and Poland. The figures are compiled from statista.com, DMR, and Michael Hyatt.

This article was based on a previous post written by Joshua Barrie.