<span class=normal> The book gives an aspiring filmmaker like yours truly some ready tips on how to go about shooting underwater. Underwater DOP Pete Zuccarini is quoted. Making a water movie is 10 times difficult. We had to swim with heavy lights and cables (see top pic), cameras, adjust props and sets, all the while on the sea floor, a hundred feet from the surface. To be efficient, we communicated mostly with hand signals and most importantly, obeyed ascent rates and decompression limits. Quite a mouthful. <br><p class=clear>&nbsp;</p><BR><BR><br><p class=clear>&nbsp;</p><amp-img width=1.33 height=1 layout=responsive src=https://images.bollywoodhungama.com/img/feature/09/oct/blue4b.jpg></amp-img><BR><br><p class=clear>&nbsp;</p><span class=normal><br><p class=clear>&nbsp;</p><br><p class=clear>&nbsp;</p>The book also offers a crash-course in shark behaviour - At times, the sharks swam directly into choreographed fight scenes as if on cue; maybe because they were curious and attracted to the rapid thrashing of body parts during the fight scenes. </span>