Tác giả: Kenneth Walton

It was the golden age of e Bay. Optimistic bidders went online to the world’s largest flea market in droves, ready to spend cash on everything from garden gnomes to Mercedes convertibles. Among them …

The hot and temperate deserts and their marginal steppe lands comprise one-third of the land surface of the world and are an increasingly critical area for the economic wellbeing of world populations …

The hot and temperate deserts and their marginal steppe lands comprise one-third of the land surface of the world and are an increasingly critical area for the economic wellbeing of world populations …