Aswan high dam

Egypt's modern examples of constitutions on a monumental 

scale the conversational Aswan high dam has 18 times the amount of materiel used in the great Great Pyramid of Khufu 

pic of Aswan high dam

the map of the Aswan dam 

hoover dam 

Tour fee: $30 per person. Dam Tour tickets must be purchased in person and are on a first-come first-served basis.eration Times:

Main Hours

Monday:9:00 AM to 5:00 PM

Tuesday:9:00 AM to 5:00 PM

Wednesday:9:00 AM to 5:00 PM

Thursday:9:00 AM to 5:00 PM

Friday:9:00 AM to 5:00 PM

Saturday:9:00 AM to 5:00 PM

Sunday:9:00 AM to 5:00 PM

map of the hoover dam


polders is a low lying tract of  enclosed by dikes that forms an artificial hydrological entity, meaning it has no connection with outside water other than through manually operated devices.

a polder video

map of a polder


a storm with a violent wind, in particular a tropical cyclone in the Caribbean.

a wind of force 12 on the Beaufort scale (equal to or exceeding 64 knots or 74 mph).

video of hurricane 

pic of hurricane


video of tornado 

A tornado is a violently rotating column of air that rotates while in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud.

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by niquandade


Public - 10/7/16, 1:45 PM