Engineers had to cut trees and cover the muddy roads with logs so wagons would not sink.

VOA: special.2009.11.19

Engineers then probably would not believe the soaring heights of today's tallest buildings.

VOA: special.2010.03.31

The events draw a diverse audience. "We have people who are professionals that range from engineers and physicians,to people that just have an interest in science and may be retired, may not be employed, may be students, and have just an interest in learning more."

VOA: standard.2010.05.04