Krishna Janamashtmi: Why is water thrown over Govindas?

You must have seen how water is thrown over Govindas while they make a human pyramid to break the dahi handi. ABP News explains why is it done

About Krishna Janamashtmi

Janmashtami is a Hindu festival celebrating the birth of Lord Krishna. As per the Hindu calendar, Lord Krishna, an avatar of Lord Vishnu, was born on the eighth day of the month of Bhadra. The day mostly falls in the months of August or September as per the Western calendar.
The festival is celebrated by offering prayers to Lord Krishna, with beautifully decorated swings, dance and music performances and Dahi Handi competition.
In Mathura, which is considered to be the birthplace or 'Janmabhoomi' of Lord Krishna, devotees thronged temples in large numbers to offer prayers on the auspicious occasion.