4 year old girl traveled half a China path or kill

ring  girl in Jiangxi Shangrao Xinzhou District Wen Wen (a pseudonym) from the beginning of 1 years and 3 months,
will follow my parents to travel on foot,
mostly mountainous and border areas.
As long as the trek,
Wenwen average day to go 15 kilometers,
up to go 30 kilometers a day.
Wen Wens parents said,
did not intend to let the children in kindergarten,
will continue to go in before primary school.
The matter was spread by numerous hot friends,
also known as the China Wenwen minimum backpackers.
This kind of education is still another way to kill? For childrens sharpening education,
how should we grasp the yardstick? 4 year old girl on line 15 km above the parents reported only for its ability to exercise seven or eight months a year in hiking,
every day at least 15 kilometers away,
dark place camping or staying in the homes of villagers.
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Although only 4 years old,
but already W