caption: In this image it looks like the inside view of the metro train with AC vents, windows, posters and warning signs. At the left side of the image there is a man standing near the yellow color pole. The man is wearing grey color sweater and headphones and specs while holding a book and pen in his hands. At the right side of the image there are two men sitting. One of them is wearing a orange color shirt and one of them is wearing a green color shirt.