I didn’t read the thread yet but I’ll come back to it later to give a better feedback
I think since the summit is international, maybe we can put an image of the earth or a global map thing on the flag and then we can do a projection from Camden location on the map just like the projection of batman sign (when the police call him for help) and here’s a photo to illustrate my idea: http://www.blablablarchitecture.com/blog/wp-content/uploads/2011/05/iamthenight-Batman-Bat-Signal-CEL.jpg