A squirrel enjoys food in the Lodhi Gardens in New Delhi, capital of India, April 1, 2013. Lodhi Gardens, a popular public park in downtown New Delhi with centuries of history, was taken as home by many squirrels due to its trees and grassland. (Xinhua/Zheng Huansong)

A squirrel searches for food on a tree in the Lodhi Gardens in New Delhi, capital of India, April 1, 2013. Lodhi Gardens, a popular public park in downtown New Delhi with centuries of history, was taken as home by many squirrels due to its trees and grassland. (Xinhua/Zheng Huansong)

A squirrel searches for food on a tree in the Lodhi Gardens in New Delhi, capital of India, April 1, 2013. Lodhi Gardens, a popular public park in downtown New Delhi with centuries of history, was taken as home by many squirrels due to its trees and grassland. (Xinhua/Zheng Huansong)

A squirrel searches for food in the Lodhi Gardens in New Delhi, capital of India, April 1, 2013. Lodhi Gardens, a popular public park in downtown New Delhi with centuries of history, was taken as home by many squirrels due to its trees and grassland. (Xinhua/Zheng Huansong)

A squirrel drinks water from a bowl in the Lodhi Gardens in New Delhi, capital of India, April 1, 2013. Lodhi Gardens, a popular public park in downtown New Delhi with centuries of history, was taken as home by many squirrels due to its trees and grassland. (Xinhua/Zheng Huansong)

A squirrel searches for food on a tree in the Lodhi Gardens in New Delhi, capital of India, April 1, 2013. Lodhi Gardens, a popular public park in downtown New Delhi with centuries of history, was taken as home by many squirrels due to its trees and grassland. (Xinhua/Zheng Huansong)

A squirrel searches for food in the Lodhi Gardens in New Delhi, capital of India, April 1, 2013. Lodhi Gardens, a popular public park in downtown New Delhi with centuries of history, was taken as home by many squirrels due to its trees and grassland. (Xinhua/Zheng Huansong)

A squirrel searches for food on a tree in the Lodhi Gardens in New Delhi, capital of India, April 1, 2013. Lodhi Gardens, a popular public park in downtown New Delhi with centuries of history, was taken as home by many squirrels due to its trees and grassland. (Xinhua/Zheng Huansong)

Squirrels enjoy food in the Lodhi Gardens in New Delhi, capital of India, April 1, 2013. Lodhi Gardens, a popular public park in downtown New Delhi with centuries of history, was taken as home by many squirrels due to its trees and grassland. (Xinhua/Zheng Huansong)