4759
The battery structures include bunkers , gun emplacements and the Marine Peilstand 3 tower , which are located on Les Landes , a coastal heathland area at the north end of St Ouen 's Bay .
 location: Ouen
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:
 location: Ouen