Watch “Root Expansion Review and Tutorial!茂林源記 擴充 短評及教學!,” a board game review for Root: The Underworld Expansion on BoardGameVideo.
Description provided by Board Game Syndrome 桌遊症候群 on YouTube:

2020Patrick Leder, Cole Wehrle
Mainly how-to-play and unboxings. Root: The Underworld Expansion is covered on BoardGameVideo.com by 6 reviews, 12 how-to-play guides, 2 recorded sessions, 12 unboxings, and 7 other videos.
About Root: The Underworld Expansion, from BoardGameGeek:
Designers
Patrick Leder, Cole Wehrle
Artist
Kyle Ferrin
Publisher
Leder Games
Categories
Mechanics