In Cambodia, my main guide was a smart woman who spoke at least four languages. Through work, she’d made many Australian friends, but despite numerous applications, she kept getting denied a visa to go and visit. I thought of all the British people I knew or saw on Instagram who had obtained working-travel visas easily and jetted over there for six months or more. It’s easy to forget sometimes, when we see these travellers on Instagram or compare ourselves to our friends, what a privilege it is to be able to do these things at all…