A family enters Pakistan at the border crossing in northwest Pakistan's Torkham on June 18, 2016. Pakistan on Saturday opened its busiest border crossing with Afghanistan after one week, allowing thousands of people and trucks to cross both sides of the border, officials said. Photo:Xinhua

People arrive at the border crossing in northwest Pakistan's Torkham on June 18, 2016. Pakistan on Saturday opened its busiest border crossing with Afghanistan after one week, allowing thousands of people and trucks to cross both sides of the border, officials said. Photo:Xinhua

A Pakistani soldier stands at the border crossing in northwest Pakistan's Torkham on June 18, 2016. Pakistan on Saturday opened its busiest border crossing with Afghanistan after one week, allowing thousands of people and trucks to cross both sides of the border, officials said. Photo:Xinhua

Pakistani soldiers stand guard at the border crossing in northwest Pakistan's Torkham on June 18, 2016. Pakistan on Saturday opened its busiest border crossing with Afghanistan after one week, allowing thousands of people and trucks to cross both sides of the border, officials said. Photo:Xinhua