Why do we have bridges?

To connect
To separate
To transport
To display to the world
The sorrow a city would feel
When one of its own are slain

http://m.smh.com.au/nsw/martin-place-siege-barrister-katrina-dawsons-childhood-friend-remembers-her-wicked-sense-of-humour-20141216-128g3l.html

Cee’s Fun Foto Challenge: Bridges