Gwacheon in Gyeonggi Province offers the best environment in South Korea for children to grow up, according to a new private-sector analysis that shows child development conditions remain heavily concentrated in Seoul and the surrounding metropolitan area. ChildFund Korea said Thursday it released the country’s first comprehensive private-sector index assessing child growth environments across 229 cities, counties and districts. Nine of the top 10 municipalities were in Seoul or Gyeonggi Provinc