are similar -- but not identical. credit: andrew holbrooke/corbis/getty images opened: | use: offices and hotel they're the fraternal twins of dubai's skyline -- two buildings that are a whole lot alike, but not completely identical. jumeirah emirates tower one , the taller of the pair at almost meters...
arranged in symmetrical pairs) were timed to systematically fire as the shell passed between them. this, in turn, added additional thrust to the projectile, allowing it to exit the cannon's barrel at maximum velocity. in total, these massive guns were constructed in lengths reaching approximately meters...