REMOVE

1. Engineering
2. Elevators

WHAT

1. Arches (9)
2. Architecture -- 2000-2100 (8)
3. Architecture -- Belgium (8)

WHERE

1. BELGIUM (8)
2. Liège, Liège (8)
3. FRANCE (2)
4. Paris (2)

WHO

1. CALATRAVA, Santiago (8)
2. RICE, Peter (1)
3. VON SPRECKELSEN, Johan Ot … (1)

WHEN

1. 2009 (8)
2. 1990 (2)