Cyril Ruoso / Prickly pear cactus (Opuntia lindheimeri) thorns, South Texas, USA, April.
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Constantinos Petrinos / The Temple of Hephaestus surrounded by Cypress trees (Cupressus sempervirens), Olive trees (Olea europaea) and Prickly pears (Opuntia ficus-indica ). Attica region, Athens, Greece, January 2011.
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Constantinos Petrinos / The Temple of Hephaestus surrounded by Cypress trees (Cupressus sempervirens), Olive trees (Olea europaea) and Prickly pears (Opuntia ficus-indica ). Attica region, Athens, Greece, January 2011.
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Guy Edwardes / Prickly pears (Opuntia sp.) in valley at sunrise, Baranco del Cabrito, La Gomera, Canary Islands.
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Guy Edwardes / Pickly pears (Opuntia sp.) in valley at sunrise, Baranco del Cabrito, La Gomera, Canary Islands.
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Tui De Roy / Espanola saddelback tortoise (Chelonoidis hoodensis) walking through Tree prickly pears (Opuntia echios) Espanola Island, Galapagos.