I found these signs on all the side pillars of the bridge. Can someone explain what they mean?

Date: 2007-07-07
Owner: Jimmy Jose
Size:
Full size: 1280x960
Last
First •
IMG_0516
Photo Properties
Summary  Details
Make Canon Model Canon PowerShot A95
Aperture Value f/5 Color Space sRGB
Flash No Flash Metering Mode Multi-Segment
Shutter Speed Value 1/160 sec Digital Zoom Ratio 1
Date/Time 2007 Jul 07 16:39:14 +0100
Last
First •