There’s something unusual about the tree in this photo. If you can’t figure out what’s odd, see the photo below. Photo by Connie Oswald Stofko You can visit gardens– in person!– during the City of Tonawanda Garden Walk from 10 a.m. to 4 p.m. Saturday, Aug. 22. Friday Night Lights will be held from 9 to 11 p.m. Friday, Aug. 21. Pick up maps at City of Tonawanda Hall, 200 Niagara St., or at the City of Tonawanda Library, 333 Main…