The YouTube 360 video playlist below contains a timelapse of the tunnel’s 60 pillars over a period of 9.19.21-4.3.22.

Every second displays 2 weeks of change;
The video runs at 2 frames per second.
Each frame represents 1 week.
Each video runs for 10-12 seconds per pillar.
The videos are shot with a 360 lens. Use the arrow icon in the upper left corner to change the vantage point.