Archaeologists discovered clusters of red ocher drawings scattered on rocks and cliffs across Canaima National Park—and have some theories on who made the mysterious art.

Seas: 1 to 1.5 metres. Swell: Southerly around 1 metre. Weather: Mostly clear. Winds: East to southeasterly 10 to 15 knots, reaching up to 20 knots about Banks Strait early in the morning. Winds ...