They say that a single picture is worth a thousand words. However, not all pictures are created equal. Some photos will tell a story that is so emotional it can move you deeply. In fact, some photos will even bring a tear to your eye or a smile to your face. This article will feature 10 of the most powerful photos ever taken.

Source: I Release Endorphins

If you take a look at this picture, there's nothing that seems extraordinary about it. Except, it's a photo of a World War II veteran in Gorky Park, Moscow. This veteran's unit agreed to meet at this place in May of every year. In May 9, 2011, he was the only man to show up.

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This photo tells the sad story of the growing gap between the rich, the middle-class, and the poor. As the two women smiled and waved behind the comforts of a restaurant, there's a homeless man sleeping in front of it. Sometimes economic divide is as thin as a pane of glass.

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You never know when your time is up. This man suddenly died while waiting for a train in Shanxi Taiyuan, China. The man died of natural causes, and a monk happened to be there to bid him a sincere farewell. The crowd’s somber faces say it all.

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 Humans have come a long way technologically and it's easy to think that the world is at our fingertips. This is a photo that reminds us that we are ever at the mercy of powerful Mother Nature. This is a Japanese girl crying after a tsunami destroyed Japan, and her home in 2011.

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Hard to believe this isn’t photoshopped. At first glance, you might think this is a painting. However, if you take a closer look, it's an actual photo. This is an image from a place in Namibia, specifically the orange Sossusvlei sand dunes. The world is more beautiful than anyone can imagine.

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This image tells the story of the devastating effects of alcoholism. While parents should take care of their kids, in this picture, it's the other way around. A little boy is trying to wake up his drunk father and drag him home.

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There's a time in any man's life that he is pushed near the breaking point. This photo is an example of that. Despite what this man is going through, he still has the courage to pick-up the phone and reach out for help. This happened on the Golden Gate Bridge, San Francisco.

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A photo of one of the rarest cloud formations in the world. It's also known as the "Undulating Clouds." With the cloud's "unreal" appearance, it's easy to think that this is a painting. However, mother nature continues to be quite the artist herself.

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A sunset is one of the most beautiful scenes there is. You may have asked yourself “What does the sunset going to look on a different planet?” Well, this is a photo of a sunset on Mars. It was taken by the Spirit Rover, back in 2005.

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A powerful image of how small our planet really is in comparison to the rest of the universe. This is a photo taken by Michael Collins. In the foreground, Neil Armstrong and Buzz Aldrin were inside the lunar module as they approached the moon's surface.