三棱柱的展开图

视频简介

Leif, whose estranged mother dies, leaves him a "conditional inheritance." Before he can move into her picturesque Yosemite cabin, he has to complete her elaborate, and sometimes dubious, to-do list.。Over 250,000 tons of electronic waste are shipped to Ghana each year to be recycled under almost apocalyptic conditions. Here, thousands of children and adults work on disassembling flat screens, telephones and laptops in the open air, in an artificial and endless landscape of trash, while others extract copper by melting old cables over an open fire. 'Welcome to Sodom' (which ...。