Captions : I really enjoyed staying at an encampment at the top of a hill in the Samburu Reserve in Kenya. You reach it on a small plane

Captions : The feeling of insecurity is inimical to our sense of wellbeing, as it causes anxiety and stress, which harms our physical and mental health. It is no surprise then that, according to some surveys, workers across the world value job security more highly than wages. Ha-Joon Chang