Tourists look at view from glass bottomed skywalk, Cabo Girao, Funchal, Madeira, Portugal, Atlantic, Europe

Tourists look at view from glass bottomed skywalk, Cabo Girao, Funchal, Madeira, Portugal, Atlantic, Europe

Europe, Portugal, Aveiro. April 12, 2022. Brightly painted moliceiros, traditional flat bottomed wooden boats, on the Central Canal in Aveiro.

Europe, Portugal, Aveiro. April 12, 2022. Brightly painted moliceiros, traditional flat bottomed wooden boats, on the Central Canal in Aveiro.

Europe, Portugal, Aveiro. April 12, 2022. Brightly painted moliceiros, traditional flat bottomed wooden boats, on the Central Canal in Aveiro.

Europe, Portugal, Aveiro. April 12, 2022. Brightly painted moliceiros, traditional flat bottomed wooden boats, on the Central Canal in Aveiro.

Blue Whale (Balaenoptera musculus) fluke-up dive at sunset in the offshore waters of Santa Monica Bay, California, USA. The blue whale is the largest animal to ever live on planet Earth.

Blue Whale (Balaenoptera musculus) fluke-up dive in the offshore waters of Santa Monica Bay, California, USA. The blue whale is the largest animal to ever live on planet Earth.

Scuba diver carrying a torch swims through a sandy bottomed channel between coral reefs and observes a Sea Fan coral (Gorgonia flabellum), barrier reef, San Pedro, Ambergris Cay Island, Belize, Central America, Caribbean

Plaette, Austrian German for flat-bottomed boat, on Lake Toplitz, Ausseer Land, Salzkammergut area, Styria, Austria, Europe