Space and the concept

What concept I can think of for this project...

related to the "Space"

I rather do something related to "Myself"

hm...

I usually have time to think on the train

as i should travel 1 and a half hour from house to university.

almost everyday..

during the time "1 and a half hour" I "Think" or "Read Book" otherwise "Sleeping"

I want express my thoughts and story by traveling on the train...

That's most related my self explanation. 

but.. what i usually think on train? imagination???

or what about the stressful worries and anxious???