It seems as though every Google app is getting an upgrade during I/O, and Google Earth is no exception, with version 7 now available to download through the Play Store.

The latest version includes a new feature called Tour Guide, which highlights all of the places a city has to offer, both to tourists and locals. For example, if you're in Rome, the app will point out places such as the Colosseum and Trevi Fountain, two spots that are very popular with tourists.

To access Tour Guide, you can swipe up from the bottom of the screen to reveal a series of tab-like options which you can then select to look at in closer detail.

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