7524
Firstly , stations were to be built at a level slightly raised above that of normal track so as to prevent drainage directly into them , whilst the average tunnel width was to be reduced from the standard of the Moscow Metro to .
 location: Moscow Metro
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 location: Moscow Metro