10 most difficult capitals riddles

Vitoria-Gasteiz is the seat of government and the capital city of the Basque Autonomous Community and of the province of Araba in northern Spain. It holds the autonomous community's House of Parliament, the headquarters of the Government, and the Lehendakari's official residency. Vitoria-Gasteiz's vicinity is home to world-renowned wineries such as Ysios

With 2.9 million people (2017), it is the largest city proper in the Northeast Region and the 4th-largest city proper in the country, after São Paulo, Rio de Janeiro and Brasília. Founded by the Portuguese in 1549 as the first capital of Brazil, Salvador is one of the oldest colonial cities in the Americas.

The Yamuna river was the historical boundary between Punjab and Uttar Pradesh, and its flood plains provide fertile alluvial soil suitable for agriculture but are prone to recurrent floods. The Yamuna, a sacred river in Hinduism, is the only major river flowing through Delhi.

The Dâmbovița is a river in Romania, which passes through Bucharest. The city's folklore refers to the waters of the Dâmbovița as "sweet", "light and clean". However, toward the end of the 18th century, as the population of Bucharest increased, the river ceased to be so clean, hence the need of the aqueducts to bring clean water. The earliest aqueducts with public fountains were built during the rule of Prince Alexander Ypsilantis.

Popocatépetl is 70 km (43 mi) southeast of Mexico City, from where it can be seen regularly, depending on atmospheric conditions. Until recently, the volcano was one of three tall peaks in Mexico to contain glaciers. It is linked to the Iztaccihuatl volcano to the north by the high saddle known as the Paso de Cortés.

In this satellite photo of North America, north is on the bottom side.

Beijing is located in northern China. Its name, which means "Northern Capital", was applied to the city in 1403 during the Ming Dynasty to distinguish the city from Nanjing (the "Southern Capital").

The river Manzanares, although small and relatively unimportant geographically, has had a great historical importance due to its close relation to the city of Madrid. It also featured in many paintings of the late 18th to early 19th-century painter Francisco de Goya, which show traditionally dressed Madrileños in activities like dancing or having picnics next to the river.

The convent was ruined in the 1755 Great Lisbon Earthquake, which destroyed the city, killed possibly 100.000 of its inhabitants and disrupted the colonial ambitions of Portugal. The church was left unrestored to remind the tragedy.

In 1624, during the reign of King Christian IV the city was destroyed by a fire. It was rebuilt and renamed Christiania in the king's honor. Following a spelling reform, it was known as Kristiania from 1877 to 1925, when its original name was restored.