Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: The Kumbh Mela festival in the northern Indian city of Allahabad is billed as the largest gathering of humanity on earth, with 110 million people expected to attend over 49 days. But for the thousands who get lost among the crowds, help is at hand.

Kumbh Mela: Lost and found at the world's biggest gathering