a. Palm Jumeirah, Dubai It is the smallest island of the three Palm Islands. Its construction was started in 2001. It is located in the Jumeirah coastal area in Dubai. Palm Jumeirah is the first island which is builtin a crown with 17 fronds, and a surrounding crescent island that will form a water-breaker. IN WATER – 1) SEMI-SUBMERGED: It consists of structures in which habitable space is underwater and the rest is above water which caters to the various services like lighting, ventilation, etc. There are special mechanisms and techniques involved to keep the structures submerged.