 Because it is located south of the Antarctic Circle, Troll has midnight sun in the summer and polar night during the winter.Dronning Maud Land Air Network Project (DROMLAN) is a coordinated project between eleven countries with bases in Queen Maud Land () to create a coordinated logistics service to reduce costs.The participating countries are Belgium, Finland, Germany, India, Japan, the Netherlands, Norway, Russia, South Africa, Sweden and United Kingdom.