REMOVE

1. Architecture -- 2000-2100
2. Glass -- In architecture
3. Elevators

WHAT

1. Arches (8)
2. Architecture -- Belgium (8)

WHERE

1. BELGIUM (8)
2. Liège, Liège (8)
3. ENGLAND, UK (1)
4. Manchester (1)

WHO

1. CALATRAVA, Santiago (8)
2. SIMPSON, Ian (1)

WHEN

1. 2009 (8)
2. 2002 (1)