The image is a map of a river in China. The map is in black and white and shows the river winding through a mountainous area. The river is blue in color and is marked with a red marker on the right side. On the left side of the map, there is a green arrow pointing to the top left corner, indicating the direction of the river. Below the arrow, there are two blue arrows pointing towards the bottom right corner, one pointing towards a mountain and the other towards the right. The text on the map reads "1.9元" which translates to "4G" in English.