8081
The famous iron bridge at Coalbrookdale had been built only 15 years earlier , and there were only 7 or 8 other iron bridges in the world .
 location: Coalbrookdale
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: Coalbrookdale