Find 3 differences between the steamer boat pictures in 7 seconds!

Image above shows two steamer boat photos side by side. The two photographs look identical at first, no?  

However, they are not. Two photographs have three differences, and readers have 7 seconds to find them.  

Not all differences are obvious. To see the small distinctions between the photographs, readers must examine the image carefully.  

Research suggests such workouts improve focus and memory.Thus, repeating these tasks boosts memory and concentration.  

Were all the differences identified in time? Congratulations to readers who noticed all the distinctions.  

Readers can check their responses with the solution above.  

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