2017 NASA Earth Day at Union Station, Washington DC. Mr. Ernie W

2017 NASA Earth Day at Union Station, Washington DC. Mr. Ernie Wright.

2017 NASA Earth Day at Union Station, Washington DC. Mr. Ernie Wright.

Photographer NASA/GSFC/Bill Hrybyk

Date April 20, 2017

2017 NASA Earth Day at Union Station Washington DC Mr Ernie Wright