8300
The largest drain on resources was the Norwood Tunnel , where £ 21,000 had been spent since 1871 , in an attempt to repair damage and raise the roof .
 location: Norwood Tunnel
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: Norwood Tunnel