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 contemporary home office with wooden desk, camera gear, plants, and slatted wood wall panels.	Pew Nguyen	Pexels License	Pexels
Curved green rice terraces spread across a valley floor with limestone mountains rising in the background near Ha Giang.	Velvet	CC BY-SA 4.0	Wikimedia Commons
A misty valley in Ha Giang with terraced fields and forested mountains stretching into the distance.	Velvet	CC BY-SA 4.0	Wikimedia Commons
A person studies an old paper map at a wooden desk beside a laptop, coffee cup and stack of books.	Gül Işık	Pexels License	Pexels
A glowing turtle-shaped lantern floats on the river at night in Hoi An, with illuminated riverside buildings beyond.	Mig Gilbert from Brighton	CC BY-SA 2.0	Wikimedia Commons
Illuminated limestone stalactites and stalagmites tower above a wooden walkway inside a cave in Phong Nha.	Andre Hospers	CC BY 4.0	Wikimedia Commons
Mist drifts over terraced fields and a small village nestled in the valley near Sapa.	sephylmism	Pexels License	Pexels
Empty approach road leading to the terminal building at Tan Son Nhat International Airport in Ho Chi Minh City.	trungydang	CC BY 3.0	Wikimedia Commons