第三類接觸 (Close Encounters of the Third Kind)

A handshake at the 22nd China High-Tech Fair (CHTF), now underway (November 11–15) at the 会展中心 (Convention and Exhibition Centre) in 福田区 (Fútián District), 深圳 (Shēnzhèn), China. Photo: Rex/Shutterstock.