Here are some of the images I took 'on the streets' whilst we wandered through the city. The first two I processed in monochrome (because I thought that suited the image) and the last two in colour (again because I thought they looked better that way) - YMMV

This fascinating lady was having some very animated conversations sitting on one of the benches along the central promenade in Hyde Park around lunchtime:

NIKON D90 + 17.0-50.0 mm f/2.8 @ 50 mm, 1/400 sec at f / 3.5, ISO 200
A Day in the Park:

NIKON D90 + 17.0-50.0 mm f/2.8 @ 17 mm, 1/200 sec at f / 5.6, ISO 720
One of the hundreds of cars on display adorned with it's numerous 'badges of rank':

NIKON D90 + 17.0-50.0 mm f/2.8 @ 27 mm, 1/800 sec at f / 2.8, ISO 200
Glamour:

NIKON D90 + 17.0-50.0 mm f/2.8 @ 17 mm, 1/500 sec at f / 8, ISO 200