It provides light to a picture which reaches a sensor by shutter speed. Exposure brings out the light in pictures and is useful when you take a pic that is dark
Angkor Wat is the prime example of the classical style of Khmer architecture the Angkor Wat style to which it has given its name. By the 12th century Khmer architects had become skilled and confident in the use of sandstone (rather than brick or laterite) as the main building material.
Explanation:
dramatic emotional effect