We passed through another door and entered a chamber inside the spherical dome. A creaking wooden device, powered by water, turned a gigantic stone pillar, and as it revolved, a mechanism climbs up the spiraling ledge, reading with its sensitive fingers a series of notches and carvings. At intervals, colored flags would rise, whistles would sound, or pebbles would drop down on brass bells.
"What time is it?" I asked, reaching instinctively for my pocket watch.
Malik took a step back. "Time for Kentrosaurus to hatch. Time to plant the millet. Time for the magnolia buds to open. Professor Den…