On the afternoon of the second day, there will be a recycling mountain put out on the academic mall to show the quantity of trash our campus throws away that could be recycled.
(a recycling mountain; put out; on the academic mall; to show the quantity of trash our campus throws away that could be recycled) (the quantity of trash; throws away; our campus)
a recycling mountain the quantity of trash
put out throws away
on the academic mall to show the quantity of trash our campus throws away that could be recycled
our campus