If a friend was visiting Harrow for the first time, where would you take them? That was the question Harrow Online put to its 102,000 Facebook followers, and the replies showed just how divided opinion is on the borough. Hundreds of people joined the discussion, with some proudly recommending Harrow’s historic landmarks, parks and restaurants, while many others joked they’d take their visitors straight to the train station. Harrow on the Hill wa…