Two Russian businesspeople in a garment market in Manzhouli in North China's Inner Mongolia autonomous region. Border trade has brought prominence to Manzhouli as China's largest inland port, accounting for about 70 percent of land trade between China and Russia. Amid deepening China-Russia ties, the city, with a population of 300,000 in 2012 and a size of 732 square kilometers, is experiencing a new boom. Liu Zhaoming / For China Daily