Something’s Up.

Obviously I was keen to know what these lenses were pointed at in town. On crossing over to their side, discovered that a pair of nesting peregrine falcons were the cause of the excitement. (see extras). After a bit of Googling, it seems that I’d missed the real drama a couple of days ago (see link)
https://www.bbc.co.uk/news/uk-england-cambridgeshire-57343211