Aerial footage shows the scale of the 2014 Nato summit
Watch our aerial footage of the key venues for the Wales Nato summit
The anti-Nato protest in Newport on Thursday
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The HMS Duncan in Cardiff Bay
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Cardiff Castle will host delegates for a working dinner on Thursday night. The 'ring of steel' barrier around the castle is clearly visible on the right.
More: Cardiff Castle and RWCMD to host working dinners
The Celtic Manor resort in Newport is the main venue for the summit.