Aachen Central

The Aachen Hauptbahnhof (German: Aachen Hauptbahnhof) is the main train station in Aachen, the western city of North Rhine-Westphalia, Germany, and the largest of the three railway stations still in service. It ranks second-class in the German railway station classification. The long-haul passenger services parked here include Thalys trains (from Essen Terminus via Liege-Gieman Station and Brussels South Station to Gare du Nord) and ICE trains (Frankfurt Main Station - Cologne Main Station - Brussels South Station), regional passenger services It includes Regional Express Line 1 (Beiwei Express), Line 4 (Wupper Express), Line 9 (Rhein-Siegel Express), Line 20 (European Train), Line 29 (European Express) And regional train line 33 (Rhine-Niels train). In addition to the trains in the European region, all other regional passenger services are originated and arrived at the Aachen Railway Terminal.

Leiden Centraal

Aachen (, German: [ˈʔaːxn̩] ; Ripuarian: Oche [ˈɔːxə]), also known as Bad Aachen ("Aachen Spa"), and in French and traditional English as Aix-la-Chapelle, is a spa and border city in North Rhine-Westphalia, Germany. Aachen developed from a Roman settlement and spa, subsequently becoming the preferred medieval Imperial residence of Charlemagne, and, from 936 to 1531, the place where 31 Holy Roman Emperors were crowned Kings of the Germans.Aachen is the westernmost city in Germany, located near the borders with Belgium and the Netherlands, 61 km (38 mi) west south west of Cologne in a former coal-mining area. One of Germany's leading institutes of higher education in technology, the RWTH Aachen University, is located in the city. Aachen's industries include science, engineering and information technology. In 2009, Aachen was ranked eighth among cities in Germany for innovation.

Leiden (, Dutch: [ˈlɛi̯də(n)] ; in English and archaic Dutch also Leyden) is a city and municipality in the province of South Holland, Netherlands. The municipality of Leiden had a population of 123,856 in August 2017, but the city forms one densely connected agglomeration with its suburbs Oegstgeest, Leiderdorp, Voorschoten and Zoeterwoude with 206,647 inhabitants. The Netherlands Central Bureau of Statistics (CBS) further includes Katwijk in the agglomeration which makes the total population of the Leiden urban agglomeration 270,879, and in the larger Leiden urban area also Teylingen, Noordwijk, and Noordwijkerhout are included with in total 348,868 inhabitants. Leiden is located on the Oude Rijn, at a distance of some 20 kilometres (12 miles) from The Hague to its south and some 40 km (25 mi) from Amsterdam to its north. The recreational area of the Kaag Lakes (Kagerplassen) lies just to the northeast of Leiden. A university city since 1575, Leiden has been one of Europe's most prominent scientific centres for more than four centuries. Leiden is a typical university city, university buildings are scattered throughout the city and the many students from all over the world give the city a bustling, vivid and international atmosphere. Many important scientific discoveries have been made here, giving rise to Leiden's motto: ‘City of Discoveries’. The city houses Leiden University, the oldest university of the Netherlands, and Leiden University Medical Center. Leiden University is one of Europe's top universities, with thirteen Nobel Prize winners. It is a member of the League of European Research Universities and positioned highly in all international academic rankings. It is twinned with Oxford, the location of the United Kingdom's oldest university. Leiden University and Leiden University of Applied Sciences (Leidse Hogeschool) together have around 35,000 students. Modern scientific medical research and teaching started in the early 18th century in Leiden with Boerhaave. Leiden is a city with a rich cultural heritage, not only in science, but also in the arts. One of the world's most famous painters, Rembrandt, was born and educated in Leiden. Other famous Leiden painters include Lucas van Leyden, Jan van Goyen and Jan Steen.