To start you have to remember to shoot more than one frame of the location, preferably using a tripod. The trick is to snap off the same scene as the people move through it - in this example they were walking past on the roadway so I waited till different parts of the road were revealed. Import the lot into Elements then choose the least crowded image as the base shot. Then choose an image that has a space in the road that's different to the base image. Draw round it using the pencil tool and it automatically selects, feathers and transfers that part of the image to the base image. In practice you do not need anything like an accurate selection line - just scribble and it copies and pastes a chunk out of the image. If it copies too much, use the eraser brush to reduce the selection. In this example I used all four images to get a result that was almost completely free of people. The final image can then be cleaned up using the Clone or Healing brushes to give a fully cleaned result.
|Sagano bamboo forest, Areshiyama, Kyoto - without the crowds|