Topic - Erfurt

Erfurt ( (Merchants' bridge), the ensemble of Erfurt Cathedral and Severikirche (St Severus's Church) and Petersburg Citadel, one of the largest and best preserved town fortresses in Europe. The city's economy is based on agriculture, horticulture and microelectronics. Its central location has led to it becoming a logistics hub for Germany and central Europe. Erfurt hosts the second-largest trade fair in eastern Germany (after Leipzig) as well as the public television children’s channel KiKa. - Source: Wikipedia