i would also add Pentominium once it gets up there. the quality of the glass will determine the buildings slender/sexy-ness.
and the al fattan towers (aka oasis beach hotel), which imo are among the better dubai towers.
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as well as ocean heights which i stopped liking but then fell in love with.
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dubai has a lot of really nice designs, there's just too many awkward shapes near each other to create a harmonious skyline, and 80% of the boxy ones are ugly as hell! The Jumeirah Beach Residences were a horrible mistake!