Wang Xiaotao (L), Deputy Director of the National Development and Reform Commission of China, Peter Szijjarto (C), Hungarian Minister of Foreign Affairs and Trade, and Dejan Trifunovic, State Secretary for the Ministry of Construction, Transportation and Infrastructure of Serbia, pose for a photo in Budapest, Hungary, July 16, 2015. Construction of a Budapest-Belgrade rail upgrade could get underway before the end of the year, according to the news conference following the meeting of the Hungarian-Serbian-Chinese working group in Budapest on Thursday. (Xinhua/Zsuzsanna Kozma)