390878
The poems are based mainly on a journey across the United States and a meditation on the Inca city of Machu Picchu , a photograph of which is shown on the cover .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None