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Colombia declares emergency over raging forest fires

Colombia has declared a state of emergency in two regions as dozens of forest fires burned wide swathes of the country and left the capital choking on smoke during record temperatures linked with the El Niño weather phenomenon.

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Altitude

Altitude or height is defined based on the context in which it is used (aviation, geometry, geographical survey, sport, and more). As a general definition, altitude is a distance measurement, usually in the vertical or "up" direction, between a reference datum and a point or object. The reference datum also often varies according to the context. Although the term altitude is commonly used to mean the height above sea level of a location, in geography the term elevation is often preferred for this usage.

Vertical distance measurements in the "down" direction are commonly referred to as depth.

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