Hints and tips:
...Nowhere is this felt more sharply than in a corner of South Texas known as the Rio Grande Valley....
...They are laying steel pipes, some beneath the Rio Grande riverbed, to export billions of cubic feet more US shale gas to markets in Nuevo León, Guanajuato and other Mexican states....
...Metaphorical but very rotten tomatoes were being hurled over the Rio Grande on Thursday night as growers in Mexico and Florida launched what some fear could turn into a trade war over a US Commerce Department...
...Well, it’s being built for the Brazilian shipyard Ecovix-Engevix near Rio Grande do Sul....
...that the humans to the south of the Rio Grande are less pampered and brattish than those to the north....
...Grande do Sul....
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