Photography

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: Arusha, Tanzania

: Serengeti, Tanzania

: Summit of Mount Roraima, Venezuela

: Big Bend National Park, Texas

: Antigua, Guatemala

: Pedra Furada National Park, Brazil

: Araguaia River, Brazil

: Swaziland

: Edinburgh, Scotland

: Wrigley Field, Chicago

: Na Pali Coast, Kauai, Hawaii

: Uganda

: Pantanal, Brazil

: Petrified Forest National Park, Arizona

: New York City

: Northern Highlands, Ethiopia

: Kruger Park, South Africa

: Rocky Mountain National Park, Colorado

: Pantanal, Brazil

: Big Bend National Park, Texas

: Arusha, Tanzania

: Edinburgh, Scotland

: Arches National Park, Utah

: Zanzibar, Tanzania

: Virgin Gorda, British Virgin Islands

: Kruger Park, South Africa

: Kauai, Hawaii

: Serengeti, Tanzania

: Gramado, Brazil

: Mount Kilimanjaro, Tanzania

: Paraty, Rio de Janeiro, Brazil

: Kruger Park, South Africa

: Rio Claro, Brazil

: Chiquibul forest, Belize

: Iguazu Falls, Brazil/Argentina

: Acadia National Park, Maine

: Balquhidder, Scotland

: “United in the battle against HIV/AIDS,” Inhambane, Mozambique

: Bonito, Brazil

: Mount Kilimanjaro, Tanzania

: Lalibela, Ethiopia

: Maputo, Mozambique

: Wichita Mountains State Park, Oklahoma

: Chiquibul forest, Belize

: Mars Desert Research Station, Utah

: Mount Kilimanjaro, Tanzania

: El Chalten, Argentina

: Swaziland

: Waikiki Beach, Hawaii

: Lalibela, Ethiopia

: Bwindi Inpenetrable National Park, Uganda

: White Sands, New Mexico

: North Rim, Grand Canyon National Park, AZ

: Washington University, St. Louis, Missouri

: Katahdin, Maine

: Nairobi, Kenya