The Three Weeks Part 2

"Al naharos Bavel shom yushavnu gam bochienuh" As we sat on the shores of Bavel our first experience of galus as a nation. We were driven from our homeland in brutal fashion with hundreds of thousands dead, our nation in ruins. What were they crying for? Dovid Hamelach continues the Pasuk "Bezachrainu ess Tzion." At the moment they got to Bavel they didn't cry for themselves in exile far from their home, not for all the pain and suffering they went through, not for the uncertainty that lay ahead or even all their lost and tortured brethren. They cried for one thing "Tzion". All that was bothering them was that they didn't have the Bais Hamikdosh and that they were so far removed from Hashem. What was this connection that they so yearned for? What was so catastrophic that they ignored all their pain and cried just for that yearning?