8017
There is little evidence of military use of camouflage on land before 1800 , but two unusual ceramics show men in Peru 's Mochica culture from before 500 " AD , hunting birds with blowpipes which are fitted with a kind of shield near the mouth , perhaps to conceal the hunters ' hands and faces .
 Peru, Mochica
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Peru, Mochica