Will and Kate Retrace Princess Diana's India Trip

Britain's Prince William, sitting center right, and Catherine, the Duchess of Cambridge, watch Assamese traditional dancers perform in the Kaziranga National Park in India on April 12, 2016. The British royal couple is visiting the wildlife park specifically to focus global attention on conservation. The 185-square-mile grassland park is home to the world's largest population of rare, one-horned rhinos as well as other endangered species, including swamp deer and the Hoolock gibbon.

The Duke and Duchess of Cambridge are on a weeklong tour of India and Bhutan taking in Mumbai, Delhi, Assam, Bhutan and Agra.

Assamese traditional Jhumur dancers wait to perform before Prince William and Duchess Kate in the Kaziranga National Park on April 12.

Prince William, center, along with Kate, interact with a very young Assamese traditional Bihu dancer in the Kaziranga National Park, Assam, on April 12.

A child places tilaks, a Hindu mark worn on the forehead, on Kate and William at a center for homeless children run by the charity Salaam Baalak in New Delhi on April 12.

Kate and William visit a center for homeless children run by the charity Salaam Baalak in New Dehli on April 12.

Kate participates in an arts class with street children at the Salaam Baalak center in New Dehli on April 12.

Crowds gather before the arrival of Kate and William at the Salaam Baalak center in New Dehli on April 12.

Kate and William meet Indian Prime Minister Narenda Modi in at Hyderabad House in New Dehli on April 12.

William and Kate cut a cake for an early celebration of Queen Elizabeth's 90th birthday, which is April 21, at the residence of British High Commissioner in New Delhi on April 11. William addressed a large gathering of prominent Indians at the reception to speak about his grandmother, Britain's longest-reigning monarch.

William and Kate placed a wreath on April 11 at the India Gate war memorial in New Delhi to honor soldiers from Indian regiments who served in World War I.

William and Kate leave after paying their tributes at the India Gate war memorial in New Delhi on April 11.

William and Kate pay their respects at the place where Mahatma Gandhi was assassinated on January 30, 1948, at Gandhi Smriti, the Old Birla House museum, on April 11.

William eats a "dosa", a rice pancake, as his wife Kate looks during an event on young entrepreneurs in Mumbai on April 11.

William and Kate play soccer with children from the SMILE organization in Mumbai on April 10.

William and Kate arrive at the Banganga Water Tank in Mumbai on April 10.

Kate plays cricket at Oval Maidan in Mumbai on April 10.

A man takes a selfie in front of the Taj Palace hotel in Mumbai on April 9. William and Kate began their week long tour by visiting this iconic hotel which was one of the prime targets of the 2008 terror attacks on the city.

VIDEO: William and Kate Retrace Diana's Steps in India

William and Kate are Retracing Princess Diana's Steps in India