1497
Some elements of the proposed final parkway configuration - such as the concrete bridge that would have carried northbound traffic at the Glen Echo turn-around - were built but have never been used .
 location: Glen Echo
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: Glen Echo