淘客熙熙

主题:《茗谈114》:天坪工程 -- 本嘉明

共:💬121 🌺466 🌵1
全看分页树展 · 主题 跟帖
家园 I want to remind you

that the Central California Valley, now the source of 40% of the U.S. agricultural outputs (in terms of veg. mostly), comes out of a barren and desert-like land.

The whole Southern California was transformed by human interference.

全看分页树展 · 主题 跟帖


有趣有益,互惠互利;开阔视野,博采众长。
虚拟的网络,真实的人。天南地北客,相逢皆朋友

Copyright © cchere 西西河