If using a PC to return to the main photos click on the Left <- At the top of the website. To the left of the Reload icon. If on your Cellphone, when you click on a photo to make it big, down at the bottom right of your cellphone screen you should see a < icon below. Click on the < icon and it should take you back to the main screen to view the next photo. If, when looking at the bigger photo. you wish to make it larger to read an article, left click on the photo and it should get bigger. Left clicking again should set it back to its original size. Monitor resolutions vary from Monitor to Monitor. If the photos are not centered on the screen with some background showing on the left and right, try increasing or decreasing your Zoom setting on your browser.