What are these beautiful sandy waves?

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Today in History

International Archaeology Day
Aug. 19, 2025Vancouver Island, British Columbia
May 1, 2025Lei Day
Feb. 14, 2024Valentines Day
Jul. 29, 2024International Tiger Day
Feb. 5, 2024Monarch butterflies, Goleta, California
Nov. 8, 2025Bandon Beach in Bandon, Oregon, United States
Sep. 9, 2024Iguazu Falls at the border of Argentina and Brazil
A vibrant, sun-drenched island
Jul. 23, 2025Vatican City, Rome, Italy
Aug. 17, 2025International Lighthouse Lightship Weekend
Mar. 30, 2025Sydney Harbour, New South Wales, Australia
Jun. 16, 2024Happy Fathers Day!
Oct. 20, 2025International Sloth Day
Napping near the North Pole
Feb. 28, 2025Bighorn sheep in Valley of Fire State Park, Nevada, United States
Apr. 24, 2025Spire Cove in Kenai Fjords National Park, Seward, Alaska, United States
Oct. 5, 2024World Teachers Day
Aug. 2, 2024Banff National Park, Alberta
Oct. 1, 2025Clark Range, Yosemite National Park, California, United States
The largest gypsum dune field
Nov. 5, 2024Lençóis Maranhenses National Park, Brazil
Happy Canada Day!
Dec. 30, 2023Daiichi Tadami River Bridge, Fukushima, Japan
Jul. 30, 2024San Gimignano, Siena, Italy
Jul. 9, 2024Talampaya National Park, Argentina
Dec. 19, 2023Castle Square, Old Town, Warsaw, Poland
Jan. 9, 2025Sossusvlei sand dunes, Namib desert, Namibia
Mar. 23, 2025World Meteorological Day
May 27, 2025Mona Vale rockpool, Sydney, Australia