From Sella the road winds higher through terraced hillsides filled with vines until it reaches its highest point at Puerto de Tudens (1,015 metres/3,345 feet).
The highest point is at Puerto de Tudens.
When there are significant differences between the population affected by a particular health risk and the populations used in the labor market studies, as is the case here, some economists prefer to adjust the VSL estimate to reflect those differences.