Why Lara Croft has big breasts?

At the beginning Lara Croft wasn't planned to have big breasts. Once, one of the designers during settings of the main character accidentally increased Lara's breasts by 150%. He immediately liked the result and showed to the rest of the team, which later decided to leave it as it is.

SOURCE: http://en.wikipedia.org/wiki/Lara_Croft

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