A student is preparing an informative speech on the world's tallest bridges. The student wants to emphasize why the tallest bridge - found in the Ladakh valley between the Dras and Suru rivers in the Himalayan Mountains - is so picturesque.

Which visual aid will BEST demonstrate the student's point?
A. a table showing the heights of the tallest bridges
B. a photo of the bridge shown against the mountains
C. a graphic of the technology used to build the bridge
D. an illustration comparing the bridge with other bridges