these are pictures of a kosher mizbeiach, sacrificial altar, just constructed. I am not sure what the purpose is - perhaps it is to be immediately ready for a beis hamikdash, or to show God and the people that we are ready or to increase knowledge about it.. Today, the last day of Chanukah, there will be a ceremony inaugurating the new mizbeiach.

According to Srugim, this mizbeiach meets and surpasses the halachic requirements of a mizbeiach, even though it is not the full size of the altar from the 2nd Beis Hamikdash. As well, it is built from bricks rather than stones.