Based on our analysis, we feel that the naca lines must have been constrcuted a long time
ago using some metal which would not corrode.
Besides, we feel that the shapes of the naca lines depicting animals and plants could be used to wordship their god as a form of worship.
We also believe that the lines pointed to certain astronomical alignments.
We do not believe that it was used as an airport as the soil there is too sandy and soft to be used
for that purpose. Thus the only possible deduction we could put forward to the mystery of the nazca lines is that they
were constructed and their huge markings were signals to interplanetary visitors or to some advanced earth race... that occasionally visited them