Unmanned aerial vehicle

FIG. 1 is a top left perspective view of an unmanned aerial vehicle;

FIG. 2 is a bottom right perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a right side elevation view thereof; and,

FIG. 8 is a left side elevation view thereof.

The broken lines immediately adjacent the claimed areas represent the bounds of the claimed design while all other broken lines are directed to portions of the unmanned aerial vehicle that form no part of the claimed design.