 Ezer's next vision was to make Jerusalem, the new capital, a center for commerce, industry and culture for Israel and the world's Jews.In 1950, he built the National Conference Center of Jerusalem ("Binyanei HaUmah" in Hebrew).Among the famous events held at the center were the Zionist Congress, a 1953's exhibition of Israel's achievements "blooming desert" and the 1958 exhibition for the 10th anniversary of Israel.