Cordillera Central (Luzon) Sierra Madre Mountains, the longest mountain range in the country, through the Caraballo Mountains in Nueva Vizcaya province. During Spanish colonial period, the whole range was called "Nueva Provincia", (New Province). The Cordillera Central is the highest mountain range in the Philippines. It comprises about 1/6 of the whole Luzon island with a total area of . The highest mountain in the range, Mount Pulag, is also the highest mountain on Luzon Island at . It is officially the third highest mountain in the country after Mount Dulang-dulang and Mount Apo on Mindanao Island, the second largest island of the
Apo koinou construction relative clause whose relative pronoun has been dropped, which in English is not generally grammatical when the relative pronoun is the subject of its clause. The term 'apo koinou' is from two Greek words: the preposition "apo" 'from'; and "koinou", the genitive singular of the neuter adjective "koinon" 'common'. Apo koinou construction In linguistics, an apo koinou construction is a blend of two clauses through a lexical word which has two syntactical functions, one in each of the blended clauses. The clauses are connected asyndetically. Usually the word common to both sentences is a predicative or an object in the