By Pauline Mason Editor, Asia Business Report, BBC World |
 It costs about $1,000 per day to keep a ship at the port. |
From the top of Singapore's Equinox bar you can see the city skyline and ship after ship after ship.
Singapore claims to be the busiest port in the world.
About 130,000 ships arrive there each year.
But these days, the problem is many of those vessels are not putting back out to sea.
