Located on the Yellow Sea in northwest South Korea, it is a large port city.

Jena is surrounded by limestone slopes about 400 m high, botanical and geological features ,amongst which are 40 types of orchids. Jena is also famous for the Optical Museum.

Trier, Germany’s oldest city, is a living museum nestled in the Moselle Valley, where Roman ruins rise beside medieval churches and bustling market squares. Founded by the Romans in 16 BCE, Trier was once known as “Roma Secunda,” the second Rome, and still boasts the largest collection of Roman architecture north of the Alps. The Trier Cathedral (Dom St. Peter), which is a UNESCO World Heritage Site, is the oldest church in Germany and houses a relic said to be the Holy Robe of Christ.

Sukhothai, located in north-central Thailand, was once the capital of the first independent Thai kingdom in the 13th century. Today, it’s best known for the Sukhothai Historical Park, a UNESCO World Heritage Site filled with stone temples, lotus-filled moats, and ancient Buddha statues. The park spans over 70 square kilometers and features more than 190 ruins.

Bari, the capital of Puglia in southern Italy, is a vibrant port city with a rich history and lively atmosphere. Begin your exploration at the Basilica di San Nicola, an iconic pilgrimage site housing the relics of Saint Nicholas. This Romanesque church, dating back to the 11th century, is renowned for its stunning architecture and historical significance (Basilica di San Nicola).