Preparations for the inauguration ceremony tomorrow for the 44th President of the United States of America have been taking place for months now. Security, transportation, logistics, sanitation, everything you can think of to accomodate the predicted millions of attendees descending on Washington, D.C. President-elect Obama arrived in Washington by train, starting in Pennsylvania, passing through Wilmington and Baltimore. Here are some photographs of the various events and preparations taking place heading into tomorrow. ( 31 photos total