Quite contrary to the claim made in the video above, if anything, the "dancing girl" is actually a living testimony to the fact of some yawning "discontinuity".
Just look at her facial features. Quite clearly Proto-Australoid. They have, after the rather mysterious demise of the Harappan Civilisation, been largely invisibilised -- pushed very much to the margins.
Then look at her figure -- tall and lean. Quite amusingly that's the notion of feminine beauty in today's Western world. "Indian" beauties -- as depicted in the form of sculptures or
paintings, mainly on the temple walls -- are without exception all buxoms.
And one has also to keep in mind that the Harappan scripts till today remain undeciphered.
And, most strikingly, arguably its peak achievement -- amazingly evolved grid-patterned urban settlements -- somehow simply disappeared into thin air leaving no trace except in the form of their own ruins well buried beneath the earth to be discovered only in modern times under British colonial rule.