Hurricane Sandy left millions of people in need of help. A week after the storm, many people were still without power, hot food and water. Sandy left behind billions of dollars in damages. It is the second most expensive hurricane ever to strike the U.S.

Cleanup efforts are becoming more difficult as cold weather sets in on the East Coast. Officials are trying to find shelter for the thousands of people left homeless after Sandy's destruction. The storm affected nearly 20 states. Whether from snow, floodwaters, fire or rain, the damage has created a big mess for all. "It's not going to be a simple task. It's going to be one of the most complicated and long-term recovery efforts in U.S. history," says Mark Merritt. He runs a company that offers assistance during emergencies.

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