The latitude and longitude of the airports was readily available, though. So using the latitude and longitude we were able to discover what time zone the airports were in using a time zone vector map.

Eurasian steppes is located at latitude 50 degrees north of the strip of the Trans-Eurasia steppe zone, to form connections in the topography of natural channel and Western Eurasia.

Hydraulic fill dam is a fast and economic method for dam building, but the construction of filling is confined by seasons owing to long freezing period of cold zone at high latitude.