The Nanjing Hongshan Forest Zoo, once struggling to sustain its     1     (survive), has undergone a remarkable turnaround. It has become a popular destination     2     visitors can glimpse diverse animals and appreciate the beauty and significance of life.

The man behind     3     U-turn is Shen Zhijun, an animal welfare advocate. Last August, Shen took to the Internet     4     (publicize) his decade-long reform efforts—a comprehensive campaign transforming the conventional zoo into a conservation-focused sanctuary (保护区). During his 30-minute speech     5     (title) A Zoo’s Pursuit, Shen showcased the successful changes that he had performed.

After witnessing the helpless and hopeless expressions of the animals, Shen’s team set about making changes.     6     (initial), they removed animal shows, which traditionally serve as the financial backbone of zoos. Subsequently, they transformed the park’s landscape, cleverly using the     7     (exist) mountainous terrain of Hongshan to reproduce the natural habitats of animals in the wild. Plus, they introduced “multi-level villas” where animals belonging to the same ecological zone but not occupying the base of the food chain can     8     (house) together, based on their ecological and geographical distribution.

This zoo has emerged     9     the most animal-friendly zoo in China. Striking a balance between respecting animals’ dignity and providing visitors with enjoyable experiences is a challenging task,     10     Shen’s team has successfully achieved it.