{"recordType":"smell","schemaVersion":"1.0","id":"SB-0050","slug":"subway-metro","name":"Subway / Metro","aliases":["Underground","Metro"],"summary":"An urban transit smell identity combining metal, dust, warm machinery, air movement and human activity.","type":"Place / Environment","category":"Places","descriptors":["metallic","dusty","industrial"],"status":"CULTURAL","createdAt":"2026-09-22","updatedAt":"2026-10-06","revision":5,"changeSummary":"Editorial description expanded to answer what it smells like and where you meet it; independently reviewed.","verifiedClaimIds":["CLM-COMMUTE-001","CLM-UNDERGROUND-001"],"reference":{"urn":"smellbook:smell:subway-metro","families":["earth","lived"],"contexts":[],"settings":["metro","station"]},"related":[{"id":"REL-0050-01","targetId":"SB-0045","targetSlug":"metal","reciprocal":true},{"id":"REL-0050-02","targetId":"SB-0040","targetSlug":"dust","reciprocal":false},{"id":"REL-0050-03","targetId":"SB-0023","targetSlug":"asphalt-after-rain","reciprocal":false}],"links":{"self":"https://smellbook.com/data/smells/subway-metro.json","html":"https://smellbook.com/smells/subway-metro"}}