Phan Bội Châu became a teaching text at the Tonkin Free School in Hanoi, a school run by Phan's contemporaries to promote the independence movement. However, Phan did not receive much of a reaction in terms of aid towards his independence efforts, since the book made Chinese readers worry about their own future. The book had a much better reception among Vietnamese readers. Phan and a colleague, Đặng Tử Kính, left Japan for the first time in August 1905, carrying 50 copies of the book that were to distributed throughout Vietnam, of which further copies were made inside the country. Phan's direct writing
Phu Kao–Phu Phan Kham National Park Phu Kao–Phu Phan Kham National Park Phu Kao–Phu Phan Kham National Park () is a national park in Thailand's Khon Kaen and Nong Bua Lamphu provinces. This mountainous park, in two separate sections, encompasses part of the Ubol Ratana Dam reservoir and also features rock formations and waterfalls. The park is named for the Phu Kao and Phu Phan Kham mountain ranges of the Khorat Plateau. Phu Kao–Phu Phan Kham National Park is located about northwest of the city of Khon Kaen in the Ubolratana and Phu Wiang districts of Khon Kaen Province and the Non Sang district of Nong