8970
The levels also feature a variety of shapes and architectural features such as cylindrical mazes , canopies , bridges , pyramids , and even walls that allow Pac-Man to walk vertically .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None