The trapezoidal tomb measures some 70 meters ( 230 ft ) in length .
Is 17 meters ( 56 ft ) wide at trapezoidal tomb 's northern end , and 10 meters ( 33 ft ) wide trapezoidal tomb 's its southern end .
The trapezoidal tomb measures some 70 meters ( 230 ft ) in length and is 17 meters ( 56 ft ) wide at its northern end , and 10 meters ( 33 ft ) wide at its southern end .