REMOVE

1. Litter (Trash)
2. Pedestrians

WHAT

1. Streets -- Accessories (3)
2. City squares -- England - … (2)
3. Public art -- England -- … (2)

WHERE

1. ENGLAND, UK (3)
2. Sheffield, South Yorkshir … (2)
3. Manchester (1)

WHO

1. HEYES, Tracey (2)
2. not known (2)
3. ASQUITH, Brian (1)
4. MORRISON, Graham (1)
5. PERRY, Richard (1)

WHEN

1. 1998 (1)
2. 1999 (1)
3. 2005 (1)