Sunday September 26 will mark the end of Angela Merkel’s fourth term in office. Throughout her 16 years as German chancellor, she forged strong ties with heads of state from around the world. But the relationship between Germany and France was perhaps one of the most important. During her time in office, Merkel worked with four different French presidents. We take a closer look at how she got on with Jacques Chirac, Nicolas Sarkozy, François Hollande and Emmanuel Macron.