Nguồn ảnh và giấy phép

Một số ảnh trên trang dùng theo giấy phép mở. Cảm ơn các tác giả dưới đây.

Ảnh	Tác giả	Giấy phép	Nguồn
A blue and pink Vietnam Railways locomotive pulls a passenger train at a station platform near Hanoi.	Nguyenbaotrung725	CC BY 4.0	Wikimedia Commons
A blue-and-white public bus on route 152 waits outside Tan Son Nhat Airport terminal in Ho Chi Minh City.	Ilya Plekhanov	CC BY-SA 3.0	Wikimedia Commons
Entrance to a business lounge with wooden doors and airline signage at Noi Bai International Airport in Hanoi.	David McKelvey from Brisbane, Australia	CC BY 2.0	Wikimedia Commons
An empty terminal hallway with signage for baggage claim at Da Nang International Airport.	Dragfyre	CC BY-SA 3.0	Wikimedia Commons
Passengers wait on the platform beside a train at Da Nang railway station with city towers in the background.	calflier001	CC BY-SA 2.0	Wikimedia Commons
A railway track winds along the green, misty coastline of Hai Van Pass near Da Nang.	Vyacheslav Argenberg	CC BY 4.0	Wikimedia Commons