Summer is sweltering again, turning the Kangaeroo Corner into a dustbowl, but this year is a little different because my every move is being watched by the untiring Uyu. We’ve been walking incessantly despite the heat, and the beautiful border collie had me worried because she looked exhausted and overheated when we returned home last night. Each day of her stay has exceeded 34 degrees Celsisus, with 80 percent-plus humidity, a searing sun and scorched asphalt. We’ve still walked at least 10 kilometers every day. I’m bushed. But loving it. Walking through the area has also taught me how beautiful…