2. If the Nazcans had been able to fly, the gigantic figures drawn on the earth wouldn't be so amazing.
3. If the archaeologist M.R. hadn't worked tirelessly and had given up, we wouldn't have got many photographs and details maps of the figures.
4. If she hadn't written Mystery on the Desert, we wouldn't have known about her work.
5. (lipseste ceva aici)
6. If whole generations of Nazcans hadn't worked on the desert markings, the figures wouldn't be complex and mysterious.