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The image shows a ruler with three brass rivets on top of it, placed on a white surface. The ruler has numbers on it, indicating the size of the rivets.

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The image shows a man in a white lab coat and green hat standing on a sidewalk surrounded by trees, plants, poles, and vehicles. The sky is visible in the background.
The image shows a petri dish filled with a white powdery substance on top of a white table.
The image shows a person walking down a dirt road next to a river, with their shadow cast on the ground. We can also see a metal fence, some stones, grass, a group of trees, a tower, and a cloudy sky in the background.
The image shows a street with a green gate in the middle of it, surrounded by trees and houses. On the right side of the image there is a wall with some text on it, and in the background there are clouds in the sky.
The image shows a group of people standing in front of a crowd of children, some of whom are sitting on the floor. The man in the center is playing a trumpet, while the woman to his right is holding a camera. Behind them are pillars and a building with windows.
The image shows a group of people standing on the ground, some of them holding drums, with a man holding a yellow and red flag in front of them. In the background, there are trees and a sky with clouds.
The image shows a round metal plate with holes in it against a white background.
The image shows a small bird, an Anthus spinoletta petrosus, sitting on top of a table with a tag attached to it. The tag has text on it, likely indicating the species of the bird.
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