Kaziranga (Assam), Apr 13 (ANI): British royals Prince William and Kate Middleton headed out on a safari in the Assam's Kaziranga National Park on Wednesday morning. The park authorities, who seemed ecstatic on the royal couple's visit, expect a boom in the tourism. The Duke and Duchess of Cambridge, who arrived in the park yesterday, had enjoyed a campfire as the artistes performed Assam's traditional dance forms of Bihu and Jhumur. The national park is home to world's largest population of one-horned rhinos. The couple is on a seven-day trip to India and Bhutan.