i'm nina dos santos at cnn london. >>> and i'm manisha tank in hong kong.rketplace middle east" is up next. >>> this week on "marketplace middle east" is the boom back in dubai? we take a look at the once thriving market. >>> growing ambitions. we talk about the development plans in the region and beyond. >>> oil prices hit a ten month high this week triggered by increased tension between iran and the west. the uptick is not only causing petro prices to climb but may prompt the largest exporter, saudi arabia, to open its tanks of iranian oil not reaching world markets. the strait of hormuz is the main artery for gulf oil, where in this region nearly 2/3s of the world's proven oil reserves sit offshore or beneath the desert sands. like the human heart, the strait can't operate if it's plugged. >> the market would go towards 150, 200 if we saw that. i think it's in everybody's interest to try to avoid getting there. >> as the u.s. military steps up its maneuvers in the gulf, the racheting up of tensions has pushed crude prices to a ten month high feeding righ