Carquinez Bridge, California USA as seen from the Amtrak Zephyr train
This is a view off the end of the Amtrak Zephyr as it is heading towards the Emeryville Station near San Francisco California USA, completing its long haul run that started 3 days earlier in Chicago, IL USA. The Carquinez Bridge is actually two parallel bridges spanning the Carquinez Strait where it enters bay area in northern California USA.
The Amtrak Zephyr train runs along parts of San Francisco Bay, Richardson Bay and the Carquinez Straits before turning east towards Chicago. Amtrak is a public service provided by the people of the United States of America; it provides long haul train service to most parts of the USA.