By John Campo, a local whose knowledge of Sydney is a goldmine for travellers visiting the city he calls home.Edited by Elodi TroskieThe exciting, never-sleeping city of Sydney is a must-visit destination in Australia. As one of the biggest cities in Aus, there is way too much to do and to see to fit into just a few days! To make the best out of your time, start planning your trip with this itinerary for three days in Sydney. As a local, I’ve gotten to know my city very well and I love to help visitors experience all of the amazing things it has to offer! So here are my suggestions for the best things to do in Sydney in 72 hours.