Sits on the edge of the platform | |
Seems to practice jumping | |
Leaves objects on the platform | |
Often looks down the tunnel | |
Walks back and forth between the wall and the yellow line | |
Paces on the yellow line | |
Stands on the yellow line for a long time | |
Strange behaviours | |
Anxious or depressive behaviours | |
Seems intoxicated | |
Stares at the tracks or down the tunnel for a long time | |
Psychomotor agitation (repetitive behaviours, nervousness) | |
Looks glum (shoulders hunched, head lowered, looks at the ground) |