P&T Architect Ms. Christine Wong stood out from the PGBC 20th Anniversary Logo Design Competition through her incomparable creativity. For the design concept, she utilized 5 colors of lines to symbolize 5 Founding Member Institutes for the Number “2” and 4 colors of lines to symbolize 4 new Affiliate Member Institutions for the Number “0” with a leaf formed inside the intersecting part of the two digits to emblem that the sustainable built environment can be achieved through collaboration of both Founding and Affiliate Institutions.