Curated OER
Unesco: Germany: Berlin Modernism Housing Estates
Berlin Modernism Housing Estates. The property consists of six housing estates that testify to innovative housing policies from 1910 to 1933, especially during the Weimar Republic, when the city of Berlin was particularly progressive...
E-learning for Kids
E Learning for Kids: Math: Riksjas, Toek Toek: Division
Rick's uncle owns a few rickshaws and brings people all around the city. Can you help Rick divide the people between the rickshaws?
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National Asphalt Pavement Association: History of Asphalt
Read about the history of asphalt beginning in the city of Babylon around 615 BCE. Learn how Europeans and Americans began to use it on roads, how businesses competed for a market share and even patented roads, changes to asphalt...
Curated OER
Unesco: Brazil: Rio De Janeiro: Carioca Landscapes Between the Mountain and Sea
The site consists of an exceptional urban setting encompassing the key natural elements that have shaped and inspired the development of the city: from the highest points of the Tijuca National Park’s mountains down to the sea. They also...
Curated OER
Unesco: China: Fujian Tulou
Fujian Tulou is a property of 46 buildings constructed between the 15th and 20th centuries over 120 km in south-west of Fujian province, inland from the Taiwan Strait. Set amongst rice, tea and tobacco fields the Tulou are earthen...
Curated OER
Unesco: Spain: Palmeral of Elche
The Palmeral of Elche, a landscape of groves of date palms, was formally laid out, with elaborate irrigation systems, at the time the Muslim city of Elche was erected, towards the end of the tenth century A.C., when much of the Iberian...
Curated OER
Unesco: Bulgaria: Thracian Tomb of Kazanlak
Discovered in 1944, this tomb dates from the Hellenistic period, around the end of the 4th century BC. It is located near Seutopolis, the capital city of the Thracian king Seutes III, and is part of a large Thracian necropolis. The...
Curated OER
Unesco: Netherlands: Defence Line of Amsterdam
Extending 135 km around the city of Amsterdam, this defence line (built between 1883 and 1920) is the only example of a fortification based on the principle of controlling the waters. Since the 16th century, the people of the Netherlands...
Curated OER
Unesco: Spain: Old Town of Segovia and Its Aqueduct
The Roman aqueduct of Segovia, probably built c. A.D. 50, is remarkably well preserved. This impressive construction, with its two tiers of arches, forms part of the setting of the magnificent historic city of Segovia. Other important...
Curated OER
Unesco: Spain: Monuments of Oviedo and the Kingdom of the Asturias
In the 9th century the flame of Christianity was kept alive in the Iberian peninsula in the tiny Kingdom of the Asturias. Here an innovative pre-Romanesque architectural style was created that was to play a significant role in the...