Hall of Preserving Harmony (in the background) with Hall of Central Harmony, Forbidden City, Beijing, China, East Asia

Hall of Preserving Harmony (in the background) with Hall of Central Harmony, Forbidden City, Beijing, China, East Asia

Ducezio Palace, Town Hall, UNESCO World Heritage Site, Noto, Siracusa, Sicily, Italy, Mediterranean, Europe

Hall of Preserving Harmony, Forbidden City, Beijing, China, Asia

Building K, Monte Alban Archaeological Site, Oaxaca State, Mexico

Beautiful interior and Islamic art, Al-Attarine Madrasa in the Medina of Fes, UNESCO, Morocco

Tilbury Fort, Tilbury, Essex, England, United Kingdom, Europe

Glasses with contaminated soil samples from old industrial sites, Altlast Zinkstrasse, New Ruhr Museum, Zollverein Coal Mine Industrial Complex, Essen, North Rhine-Westphalia, Germany, Europe

Scenic view of the coastal landscape with volcanic rock formations and the Lighthouse at Faro Di Punta Spadillo in the National Park of Pantelleria Island under a bright blue sky, Pantelleria Island, Trapani, Sicily, Italy

Scenic view of the coastal landscape with the Lighthouse at Faro Di Punta Spadillo in the National Park of Pantelleria Island at twilight, Pantelleria Island, Trapani, Sicily, Italy

Ponte Sant'Angelo spanning the Tiber River and lined with statues of angels leading to the Castel Sant'Angelo (Mausoleum of Hadrian) at dusk; Rome, Lazio, Italy

Ponte Sant'Angelo spanning the Tiber River and lined with statues of angels illuminated by lampposts at dusk and leading to the Castel Sant'Angelo (Mausoleum of Hadrian); Rome, Lazio, Italy

Close-up view of the iconic Colosseum against a blue sky, showing a marble plaque above the East Entrance dedicated to Christian martyrs; Rome, Lazio, Italy