Metro Station Facts: When you have gone to the metro station, you must have seen yellow colored tiles on the ground there. If you have ever walked on them, they are bumpy instead of smooth like the rest of the tiles installed there. Usually these tiles are straight and round in shape. But, do you know why these tiles are installed at the metro station? Many people think that these rough tiles are installed so that no one slips, but you will be surprised to know that it is not…
Read More