 In 2015, Ong directed a six-hour site-specific performance, "The Incredible Adventures Of Border Crossers", for the opening of the inaugural Singapore Festival in France at the Palais de Tokyo.The production involved 30 foreigners and explored what it meant to be a "border crosser".The festival also re-staged at Theater de la Ville Paris, TheatreWorks' "Lear Dreaming", directed by Ong.