John Vinson's display originally started with 25 flags. It has since grown to 3,000.
Fixing the flags in a track
From above 2
Guy puts in flags 2
Volunteers help to install the flags.
More detail of the flags
More flags from the ground
Each flag represents a victim who died in the tragedy.
On the ground
Preparing the flags to go out
Putting in more flags
This year, Vinson added a tribute to those hurt and killed in the Boston Marathon bombings.
Setting up flags
The man behind the display
"I remember how I felt that day, and I remember how I felt years later. So, I just try to keep the memory alive. You know, I really love this country and this is another way for me to give back a little," said Vinson.