It's something you know instinctively - if you're a local.

Any day of the week in Sydney you can find flocks of tourists tapping away on their smartphones and cameras to capture images of our beautiful city.

But the locals know how to take images off the beaten track that can really capture the soul of our city.

Eric Fischer, a data artist from Oakland California, has taken geotagging information from Flickr to map where tourists and locals take photos not only in Sydney but in some of the most visited cities in the world.