Modifiers matching passage:

• hollow,
• narrow,
• complex,
• small,
• biological,
• restricted,
• indoor,
• instrumental,
• physical,
• natural,
• fluid,
• tubular,
• smaller,
• thin,
• internal,
• open,
• long,
• respiratory,
• related,
• vascular,
• pedestrian,
• written,
• aerodynamic,
• underground,
• transient,
• vertical,
• closed,
• curved,
• linear,
• clear,
• delicate,

Simple categories matching pedestrian:

• area,
• cover,
• facility,
• walkway,
• passage,
• formation,
• access,
• traffic,
• usage,
• activity,
• path,
• medium,
• use,
• project,
• space,
• feature,
• signal,
• furnishing,
• surface,
• safety,
• control,
• route,
• object,
• improvement,
• flow,
• issue,
• event,
• experience,
• covering,
• measure,
• plaza,
• location,
• protection,
• hazard,
• furniture,
• pathway,