On 9 July the Republic of South Sudan became the earth's newest country - instantly making the world's atlases completely out of date. So here's your new guide to the globe to download and explore. Just click 'play' below and use Prezi's pan and zoom buttons by mousing over the right of the screen• To buy high quality prints of this map for £7.99 inc. p&p please visit guardian.co.uk/readeroffers or telephone 0330 3336837