21.   But in flight, research balloons must vent helium each time they are heated by the midday sun.

22.   By the sixth station, a group of us stop in the midday sun for a cold Japanese beer.

23.   Do The New York Times crossword puzzle while Rafter labored in the midday sun?

24.   Dowlen spent a vacation day Wednesday baking in his work clothes in the midday sun in front of the Capitol, sweat pouring down his face.

25.   Dozens of youngsters are playing behind her in the baking midday sun.

26.   Every Wednesday, a crowd gathers in the Plaza of Martyrs here for a ritual as unsparing and inescapable as the brutal midday sun.

27.   From there she was driven a short distance to a dusty sports field behind a local high school, where a throng waited under the midday sun.

28.   He climbed onto the stage, squinting into the midday sun and adjusting his red tie.

29.   He was interviewed as he sat atop a horse, supervising fellow Haitians hacking cane in blistering midday sun.

30.   In the midday sun, sheep are napping under the shade of trees.