International Seminar on "Cities, Roads and Caravansarais--An Emblem of Relations through the Ages" (2008 : Indira Gandhi National Centre for the Arts)
Ou Ya cao yuan dong bu de jin shu zhi lu : si chou zhi lu yu Xiongnu lian meng de yun yu guo cheng = The metal road of the Eastern Eurasian steppe : the growing of Xiongnu confederation and the Silk Road