A Second World War air raid shelter has been unearthed in the grounds of a school.
Staff at Teesside High are asking for help to piece together its history before they restore it and open it to the public.
Watch the full report from Claire Montgomery below.
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The constituency of Washington and Sunderland West includes the UK's largest car plant, which was opened by Nissan in 1984.
This seat was formed prior to the 2010 General Election, taking in Sunderland city centre and the Ryhope area to the south.
The constituency of Stockton South includes relatively affluent areas like Yarm and Eaglescliffe.