2We were on location in Greenwich and had a go at capturing a GigaPixel Panoramic, this was done handheld using a 100mm lens from the Greenwich Observatory.
From this picture:
Over twenty zoom images combine to make this huge picture
You can zoom in this far:
With 100% zoom you can see HSBC written on the tower.
looks like great minds think alike ;) i took one from probably the exact same spot recently which came just a fraction under a gigapixel: http://lifeinmegapixels.com/location/greenwich
Fantastic William! Great minds indeed ;-)