Portal of the Old Cathedral (Se Velha), a Romanesque place of worship begun in 1162, Coimbra, Beira Litoral, Portugal, Europe

The Basilica del Voto Nacional, a Catholic Cathedral, begun in 1887, Quito, Ecuador, South America

The nave of The Basilica del Voto Nacional, a Catholic Cathedral, begun in 1887, Quito, Ecuador, South America

Mingun Pahtodawgyi, an incomplete 50 metre high brick construction stupa begun in 1790, damaged in 1839 earthquake, Mingun, Myanmar (Burma), Asia

The Palace of Isak Pasa, begun in 1685, Dogubeyazit, Armenia, Anatolia, Turkey, Asia Minor, Asia

Interior of the cathedral, begun in 1560 on the site of the Inca palace, Cuzco, Peru, South America

Indoor view of the Duomo, Cathedral of Rieti, official name Cattedrale di Santa Maria Madre di Dio, Cattedrale dell'Assunta, begun in 1109, consecrated in 1225, radical baroque renovation in 1639, Rieti, Latium, Italy, Europe

Floral & geometric patterns of restored Timurid tile mosaics decorate a wall in the courtyard of the Friday Mosque or "Masjid-i Jami", the largest mosque in Herat, dating to 1200 AD, Herat, Afghanistan. Much of the Ghorid and Timurid decorations on the mosque had been badly damaged during the centuries, but a restoration project begun in 1943 continues today.

Florence Cathedral, formally the Cattedrale di Santa Maria del Fiore (in English Cathedral of Saint Mary of the Flower) is the cathedral of Florence, Italy, or Il Duomo di Firenze, in Italian. It was begun in 1296 in the Gothic style to a design of Arnolfo di Cambio and was structurally completed by 1436, with the dome designed by Filippo Brunelleschi. The exterior of the basilica is faced with polychrome marble panels in various shades of green and pink, bordered by white, and has an elaborate 19th-century Gothic Revival facade by Emilio De Fabris.

This hard coral colony in the Pacific has begun to bleach, expelling its symbiotic zooxanthellae, consequences of global climate change and climate warming, Yap, Micronesia