Random webcams - most of the cams show no people!
Thumbnails are stored by Google, but often the cam is not available - then you will see Marvin. Clicking on the name under the thumbnail may be able to get the image.

Saint Petersburg, Russian Federation	Moscow, Russian Federation
London, United Kingdom	unknown_city, United States
Trondheim, Norway	Washington, United States
Ijmuiden, Netherlands	Houston, United States