Attributions

PTI 2019 Banner photo adapted from Boston skyline from Museum of Science garage roof by Bill Damon. Used under CC 2.0 License.

PTI 2018 Banner photo adapted from Baltimore Sunset by Patrick Gillespie. Used under CC 2.0 License.

PTI 2017 Banner photo adapted from Boston Skyline by Soe Lin. Used under CC 2.0 License.

PTI 2016 Banner photo adapted from PHILLY-038.jpg by Dave Z. Used under CC 2.0 License.

PTI 2015 Banner photo adapted from Boston Skyline by Soe Lin. Used under CC 2.0 License.