Berlin/Hamburg. Exactly 10 years after the founder of Grameen Bank in Bangladesh was awarded the Nobel Peace Prize, two German companies have now honored Muhammad Yunus' life's work with a personal 'World Map of Happiness'. By illustrating continents, rivers, oceans and personal symbols that represent all those elements that help(ed) Yunus to unleash his potential, the maps serve as constant reminders of a "life well lived". How to become happy? What can we learn from Muhamma