Belgrade Fortress Photo: Courtesy of He Yanzhen

St George's Church Photo: Official Weibo account of the National Tourism Organisation of Serbia

Mokra Gora village Photo: Official Weibo account of the National Tourism Organisation of Serbia

Saint Sava Temple Photo: Courtesy of He Yanzhen

Niš Fortress Photo: Official Weibo account of the National Tourism Organisation of Serbia

Resava Cave Photo: Official Weibo account of the National Tourism Organisation of Serbia

Djavolja Varos (Devil's Town) Photo: Official Weibo account of the National Tourism Organisation of Serbia

Cele Kula (The Skull Tower) Photo: Official Weibo account of the National Tourism Organisation of Serbia

Novi Sad, the second largest city in Serbia Photo: Courtesy of He Yanzhen

Museum of Yugoslav History Photo: Courtesy of He Yanzhen