The shape of traps is also similar to the pre historic desert kites of Middle East to hunt wild animals on land https://www.amusingplanet.com/2015/09/the-myste

The shape of traps is also similar to the pre historic desert kites of Middle East to hunt wild animals on land https://www.amusingplanet.com/2015/09/the-mysterious-desert-kites.html?m=1 https://www.amusingplanet.com/2015/09/the-mysterious-desert-...