What was the main channel of communication between people in ancient Europe and Asia?

In ancient times, the main channel for people in Europe and Asia to communicate was the Silk Road.

The origin of its name: The Silk Road is a trade and exchange route across Eurasia in history, which has promoted friendly exchanges between Europe, Asia, Africa and China in history. China is the hometown of silk. In the trade through this route, silk is the most representative commodity exported by China. /kloc-In the second half of the 9th century, German geographer Richthofen called this land transportation route "Silk Road". Since then, historians at home and abroad have agreed with this statement, which is still in use today.

Introduction: Silk Road, an ancient trade exchange route. Also known as the Silk Road, it is a route through Central Asia, Pamirs and West Asia.

The Silk Road started in Chang 'an (now Xi 'an), the capital of the Western Han Dynasty, and ended in Luoyang, the capital of the Eastern Han Dynasty. It passes through the Longshan Mountains, the Hexi Corridor, Yumenguan and Yangguan, reaches Xinjiang, along the oasis and Pamirs, passes through Central Asia, West Asia and North Africa, and finally reaches Africa and Europe. The Maritime Silk Road starts from the southeast coast of China, passes through Southeast Asia, South Asia and Africa, and finally reaches Europe. The Silk Road is not only a "national road" connecting East and West, but also an international channel for economic and cultural exchanges between China and foreign countries in ancient times.