I thought that the result was more fun than a few still photos, but I hardly ever take the time to watch videos on anyone else's blog, so I won't take it personally if you don't.
The distinct thwakking sound that you hear in the background is people playing with a ball and paddles (like ping pong but without the table). There was a really nice mix of people on the beach--yeshivish types (black velvet kippot, white shirts, and black pants on the men, sheitels, long sleeves, long skirts, closed-toe shoes on the women, many children), Arabs, secular Israelis, modern Orthodox types, French-speakers, Russian-speakers, Hebrew-speakers, Arabic-speakers, English-speakers (both British and American). Here, for example, is a photo of a man buttoning his shirt up over his tzitzit while an Arab woman stands nearby:
Enjoy the rest of Pesach or any other holiday you may be celebrating in this springtime season!