Simplify the following text for a Grade 12 native English-speaking person.
Original: The triangular turreted structure was set amidst a dense plantation of trees and overlooked Virginia Water , a man-made body of water constructed by Thomas and Paul Sandby at the behest of the Duke .
Simplified: The triangular turreted structure was set in a dense plantation of trees and overlooked Virginia Water , a man-made body of water constructed by Thomas and Paul Sandby at the request of the Duke .