President Rodrigo Roa Duterte during the opening of the National Science and Technology Week (NSTW) Celebration in Mindanao at the SMX Convention Center in Lanang, Davao City on July 6, 2018

President Rodrigo Roa Duterte grants a selfie opportunity to some of the guests during the opening of the National Science and Technology Week (NSTW) Celebration in Mindanao at the SMX Convention Center in Lanang, Davao City on July 6, 2018. JOEY DALUMPINES/PRESIDENTIAL PHOTO
President Rodrigo Roa Duterte takes a tour of the exhibit of the Department of Science and Technology during the opening of the National Science and Technology Week (NSTW) Celebration in Mindanao at the SMX Convention Center in Lanang, Davao City on July 6, 2018. JOEY DALUMPINES/PRESIDENTIAL PHOTO
President Rodrigo Roa Duterte takes a tour of the exhibit of the Department of Science and Technology during the opening of the National Science and Technology Week (NSTW) Celebration in Mindanao at the SMX Convention Center in Lanang, Davao City on July 6, 2018. JOEY DALUMPINES/PRESIDENTIAL PHOTO
President Rodrigo Roa Duterte takes a tour of the exhibit of the Department of Science and Technology during the opening of the National Science and Technology Week (NSTW) Celebration in Mindanao at the SMX Convention Center in Lanang, Davao City on July 6, 2018. JOEY DALUMPINES/PRESIDENTIAL PHOTO
President Rodrigo Roa Duterte takes a tour of the exhibit of the Department of Science and Technology during the opening of the National Science and Technology Week (NSTW) Celebration in Mindanao at the SMX Convention Center in Lanang, Davao City on July 6, 2018. JOEY DALUMPINES/PRESIDENTIAL PHOTO
President Rodrigo Roa Duterte receives a token from one of the guests on the sidelines of the National Science and Technology Week (NSTW) Celebration in Mindanao opening ceremony held at the SMX Convention Center in Lanang, Davao City on July 6, 2018. Joining the President is Sec. Bong Go of the Office of the Special Assistant to the President. RICHARD MADELO/PRESIDENTIAL PHOTO
President Rodrigo Roa Duterte chats with Science and Technology Secretary Fortunato T. De la Peña on the sidelines of the National Science and Technology Week (NSTW) Celebration in Mindanao opening ceremony held at the SMX Convention Center in Lanang, Davao City on July 6, 2018. Also in the photo is Mindanao Development Authority Chairperson Abul Khayr Alonto. RICHARD MADELO/PRESIDENTIAL PHOTO
President Rodrigo Roa Duterte shows a gesture of respect as he takes centerstage during the opening of the National Science and Technology Week (NSTW) Celebration in Mindanao at the SMX Convention Center in Lanang, Davao City on July 6, 2018. Joining the President on stage are Science and Technology Secretary Fortunato T. De la Peña and Mindanao Development Authority Chairperson Abul Khayr Alonto. JOEY DALUMPINES/PRESIDENTIAL PHOTO
President Rodrigo Roa Duterte, in his speech during the opening of the National Science and Technology Week (NSTW) Celebration in Mindanao at the SMX Convention Center in Lanang, Davao City on July 6, 2018, assured the public that they could reach him if they want to report any form of graft and corruption in the government. He added that he is ready to act on any report of corruption immediately. RICHARD MADELO/PRESIDENTIAL PHOTO
President Rodrigo Roa Duterte, in his speech during the opening of the National Science and Technology Week (NSTW) Celebration in Mindanao at the SMX Convention Center in Lanang, Davao City on July 6, 2018, assured the public that they could reach him if they want to report any form of graft and corruption in the government. He added that he is ready to act on any report of corruption immediately. RICHARD MADELO/PRESIDENTIAL PHOTO
President Rodrigo Roa Duterte delivers his speech during the opening of the National Science and Technology Week (NSTW) Celebration in Mindanao at the SMX Convention Center in Lanang, Davao City on July 6, 2018. SIMEON CELI JR./PRESIDENTIAL PHOTO