The water of Rainbow falls is channeled through underground ducts to the great reservoir of Amber. From here the water flows down to all points of the city. Finished even before the outer wall of the new Amber the great reservoir represent a massive investment. Here on the mid town rise an enormous earthen works created a natural reservoir. A green way with paths surround it making is a popular area to stroll and be seen. The reservoir is more then enough for the city, even in the summer time and has solved Amber's water problem for the foreseeable future.