1.   Among other things, it shows tan lines.

2.   Muscles ripple, his tan line sharpens beneath the summer light.

3.   The image is too much for someone sitting at a desk watching the tan line fade.

4.   This is annoying for guys who want to put their left elbow out the window and get those cool tan lines.

5.   Use extra caution when waters are murky and avoid showing any uneven tan lines or wearing brightly colored clothing-sharks see contrast particularly well.

6.   You got tan lines?