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By an article on NU.nl, I was inspired to take pictures based on the theory of relativity. The article was described that you live longer if you live on the 1st floor. It has to do with the theory of relativity, it is a minimal difference when it comes to calculate, but it is really proven by scientists. By taking pictures at different heights I could visualize the theory. These heights are calculated and thus have established the minimum difference.
Check out the photos with the calculations. Thanks to Bram van Rens for mathematical support.