The birds fly the treacherous journey from central and eastern Europe cross the Mediterranean Sea and the Arabian Desert to settle in Southern Africa. Bee-eaters from France, Spain and Italy fly across the Sahara to West Africa. Their ideal African grounds are sandy riversides or cliff sides – hence their attraction to Northcliff Ridge.
The trees were planted in diagonal rows to mimic the design of the British flag. Today, the layout can be seen from Google Maps Satellite view, though some of the trees are no longer in place.