REMOVE

1. Energy efficient buildings ( …

WHAT

1. Architecture -- 1900-2000 (1)
2. Architecture -- England - … (1)
3. Architecture and energy c … (1)
4. Photovoltaic cells (1)

WHERE

1. ENGLAND, UK (1)
2. Newcastle-upon-Tyne (1)

WHO

1. not known (1)

WHEN

1. 1995 (1)