A Visit to Harold’s Cross Bridge and Portobello Bridge by 5th Class Room 6

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Preparation
We developed a number of questions and put them on clip boards.
In our research we discovered that there are a number of types of bridges including arch bridges and beam bridges.
Observation
We observed that Harold’s Cross Bridge is an arch shaped bridge
while Portobello Bridge is beam shaped.
Portobello Bridge has a lock. The ropes can be released to open
the lock gates and increase the water levels and allow boats through.