Location: School of Fish
Depth: 191

Solution to The Hidden City

by Charles Steinhardt

Answer: LIMON

Each clue comes with a country code. The answer to each clue contains a city from that country as a substring.

ClueAnswerCity
CO: SingerVOCALISTCALI
FR: Quality of yielding nothing to sustain lifeBARRENNESSRENNES
AU: Abnormally high body temperatureHYPERTHERMIAPERTH
NO: British industrial actionGOSLOWOSLO
RU: Self torturerMASOCHISTSOCHI
EE: Common post-MIT destinationSTARTUPTARTU
TL: Seats reserved for clergySEDILIADILI
NG: FittingTAILORINGILORIN
TR: Learned individualSAVANTVAN
RU: Noted linguistCHOMSKYOMSK
IT: Instrument to measure atmospheric pressureBAROMETERROME
JP: Cary Grant, originallyARCHIBALDCHIBA
FI: Around 6% of a cupTABLESPOONESPOO
FR: Relation based on similarities and differencesCOMPARISONPARIS
IN: Sweet smellingFRAGRANTAGRA
BE: Evergreen coniferCYPRESSYPRES
SN: Timbrel cousinTAMBOURINEMBOUR
IQ: Hamster alternativesGERBILSERBIL
ZM: Venetian attractionsGONDOLASNDOLA
TN: One who takes advantage of circumstancesOPPORTUNISTTUNIS

The initial letters of the cities spell CR: POST DIVORCE PAYMENT. This clues ALIMONY, the country Costa Rica, and finally the city LIMON.