original: geography libourne is located at the confluence of the isle and dordogne rivers .
simplifications: geography libourne is located where the isle and dordogne rivers become one . geography : libourne lies where the isle and dordogne rivers flow together . geography libourne is found at the meeting place of the isle and dordogne rivers . libourne is located at the confluence of the isle and dordogne rivers . geography libourne is located at the meeting point of the isle and dordogne rivers . libourne is located at the confluence of the isle and dordogne rivers . geography libourne is located at the confluence of the isle and dordogne rivers . geography libourne is located between the isle and dordogne rivers .