I definitely support the idea
but I hv the following concern:
a) Holding at Rooftop garden are subject to weather therefore abit risky since the garden got no shelter
b) Too high up others maybe be able to see only those residence located around the rooftop will know there is one going on
Here are my suggestion:
1) Hold the Sunday Flea mkt on the ground level where human traffic can see and notice therefore generate crowd to check out the event
2) Prefer to be under shelter therefore dont hv to worry abt weather e.g. Atrium
3) Hv the flea mkt close to high human traffic area to create spillover effect e.g. somewhere near to PP where there is a Atrium for the event
The above is for you consideration, pls