What poem is this when viewed from one side of the mountain, the distance is different?

Seen from the front and side, Lushan Mountain is undulating and peaks stand tall. Seen from afar, near, high and low, Lushan Mountain presents various appearances.

The first two sentences of the poem Xilinbi by Su Shi, a poet in the Song Dynasty, are as follows:

Looking at Lushan Mountain from the front and side of peaks and valleys, from far, near, high and low places, Lushan Mountain presents various faces.

I can't recognize the true face of Lushan Mountain because I am there.