Lanzhou is the only capital city that Yellow River flows through.Lanzhou City is surrounded by hills and waters, forming beautiful townscape.With Yellow River’s nourish,Lanzhou has become known as “melons City”.In summer and autumn,vistors who want escape from the hot weather and taste melons will choose Lanzhou as a best destination.Lanzhou is also the major stop of Silk Road,with many places of relics remaining.