"Kheng has been coming to MacRitchie Reservoir Park since she was a little girl. And this almost 30-acre expanse of nature—with forests, hiking trails, kayaks and canoes for rent, and the country’s first reservoir—remains one of her favorite places for a walk or a run. 'It’s so peaceful and calm,' she says, 'and it really feels like an oasis in the middle of the city.'"