Surging

When gravity calls, it never hurts to take a nap.  On the other side, awakening is not always scheduled in a timely fashion.

Full of Hot Air

Effective urban planning requires more than the satellite imagery, ground surveys, and system modeling.  The best in their field take a close three-dimensional examination of the environment from many different angles to gain a comprehensive understanding of all facets.  Here we see the leader in his field employing traditional craft first utilized by the Montgolfiers in 1783.