ON MY WALK TODAY I FOLLOWED A RIVER
was in Sydney recently, alone and jet-lagged, with a broken phone, a miniature map confined to the city centre – and a sudden urge to walk somewhere green and blue. So I followed the example of our ancestors who – unskilled in navigation and fearful of getting lost – would find a nearby river and simply follow it. I caught a ferry out of the city and, 20 minutes later, I hopped off at a landing station that
