Just in case you’ve been watching the trees change colors, here’s a list of photos that compare various locations before and after they change into their autumn colors. Besides the nip in the air and the delicious autumn fruits and vegetables, the changing leaves are probably the greatest sign of autumn that there is. Chlorophyll, which is the green pigment in leaves that produces energy for trees, gradually breaks down in the fall, revealing the many other colors that also exist in leaves. That’s where we get the rich browns, oranges, yellows and reds that we associate with the season . Tu Hwnt I’r Bont Tearoom in Llanrwst, North Wales Image credits: unicorn81 Image credits: g7preston Gapstow Bridge, New York , USA Image credits: Jessica Jenney Image credits: BooRad0859 Japanese Mapl...