阅读理解Silk Road ToursAlong this over 4, 000 km road, you can experience colorful culture, precious historical relics and beautiful northern and western landscape!Top Silk Road Attractions:1. Terracotta Warriors□Type: History Museums, Historic SitesRecommended Length of Visit： 3 hoursAs the eighth wonder of the ancient world, it has a history of more than 2, 200 years. Oriental mummies await you to discover their mystery.2. Mogao Grottoes□Type: Buddhism, Historic SitesRecommended Length of Visit：3 hoursConsidered as the eastern Louvre Museum, Mpga0 Grottoes is a glorious treasure