Ginkgo biloba gradient in Shanghai

Quick answer：

Ginkgo biloba, also known as the maidenhair tree, is a species of tree native to China. The phrase 'Ginkgo biloba gradient in Shanghai' likely refers to the changing colors of Ginkgo biloba leaves during autumn in Shanghai. This natural phenomenon is a popular attraction for locals and visitors alike, showcasing the vibrant yellow and orange hues of the leaves.