21.   The next day, outside Mazatlan, our Sierra Madre Tour made a stop at a yard where laborers make adobe bricks under an oppressive tropical sun.

22.   The rough-hewn structures have become gathering places for young people, who escape the tropical sun under the corrugated tin roofs.

23.   The tropical sun bakes the concrete and sheet metal that people call home.

24.   The tropical sun was beating down on the corrugated tin roof.

25.   Thousands of subsistence farmers who rely on crops of beans and corn watched their plants wither under the relentless tropical sun.

26.   Trees grew close to the shore, offering merciful shade to those of us not yet ready for the tropical sun.

27.   Others laid out apples, rice, chocolates and other offerings in the hot tropical sun.

28.   A bright sea of umbrellas shielded the worshippers from the tropical sun.

29.   Another well-wisher had a different sort of recipe for a speedy recovery -- a leisurely stay under tropical sun.

30.   As temperatures rose, many marchers replaced their flags with umbrellas to protect themselves from the unrelenting tropical sun.