Jump to hit the red !-block and get the Wing Cap; then, do a triple jump to fly. You can fly to the pillar noted above, or you can chase the buzzard and get the Star by flying into it.

In the first corridor of the Temple, look for a Red block in the roof. Bypass it to find this Chest. In the room pictured above, get to the point where you can Dimension Switch to drop down. Drop ...