Rivertree Residences Site Plan Rivertree residences.pdf I believe RiverTrees Residences Tower 21 is also well conceived. Here, two stacks 01 and 06 has a commanding view of the Punggol Reservoir.   While this design/layout also ensures that two more stacks 02 and 03 faces the development's pool side. And stack 04 and 05 have an acceptable view also. It is also remarkable that even when all blocks are in a circular profile; the architect has also make sure that there are no poison arrows aimed at