It is also possible to study in Germany without learning German. There is a wide selection of opportunities for cultural exploration, career development, and travel in the German education system. The system is located in one of Europe’s most affordable and conducive environments. English is also the language of instruction at many universities. Students need not necessarily be fluent in German in order to study in Germany. Students from other countries can stay in for up to one year after graduation if they are looking for employment. Those who are successful in Germany may find work there for several years after completing their studies there. Many large companies are located in Germany, like BMW, Adidas, SAP, Mercedes-Benz, Nivea, Audi, Bayer, Volkswagen and Siemens. A few of the resources the country can offer are nickel, copper, natural gas, uranium, and coal. Frankfurt, Dresden, Leipzig, and Munich are also major cities in Germany, in addition to Hamburg, Munich, Cologne, and Stuttgart.