The Longevity Rock in Beijing's Summer Palace is a spectacular Taihu stone formation, once beloved by Empress Dowager Cixi. Its uncanny resemblance to an elder leaning on a cane symbolizes luck and long life, making it a must-see photo spot. Visitors often touch the rock for blessings, while surrounding ancient trees and pavilions add to the imperial garden's charm – perfect for soaking in timeless elegance.