"The Natural World Close-up" (Firefly Books) showcases more than 300 extraordinary close-up photographs from nature. These are the closest views that technology will allow, the publisher says. Take a guess at what are you are viewing in this slideshow.
1. This image has been magnified 45 times. Can you guess what it is? See the answer in the next slide. Image courtesy of The Natural World Close-up (Firefly Books).
