Group 1 - The article highlights that starting from tomorrow, the ginkgo leaves in Beijing will enter their best viewing period, showcasing a picturesque autumn landscape [1] - The scenery features golden ginkgo leaves, red ancient walls, and historical stories from thousand-year-old trees, making it a must-see this autumn [1] Group 2 - The article mentions specific locations for viewing ginkgo trees, including the oldest ginkgo tree and an avenue lined with over 200 ginkgo trees [3] - It notes that the entrance fee for certain locations is free, while others charge 6 yuan, indicating a mix of accessibility for visitors [3] - An event called the Ditan Ginkgo Festival will be held starting this Saturday, featuring cultural and creative activities [3]