Her family's forest farm has trees covering about 4 km2 with more than 8 million trees.

她家的森林农场面积约4平方公里，有800多万棵树。

In the natural world, there's a lot of interest in creating digital twins of forests, farms, ice sheets, coastal regions, oil reservoirsand even talk of trying to create a digital twin of planet Earth.

在自然界中，人们对创建森林、农场、冰原、沿海地区、油库的数字孪生很感兴趣，甚至谈论尝试创建地球的数字孪生。