Are you sure? Southeast Asia including the Philippines used to be part of Sundaland. Its even taught in the history books of the Philippines - that it was conne

Are you sure? Southeast Asia including the Philippines used to be part of Sundaland. Its even taught in the history books of the Philippines - that it was connected with present day Borneo. [https://en.wikipedia.org/wiki/Sundaland https://en.wikipedia.org/wiki/Sundaland]