Montreal has an underground city, RÉSO, a network of tunnels connecting shops, metro stations, and office buildings. elaborate
Jakarta is officially sinking, with some areas subsiding at a rate of up to 25 centimeters per year. elaborate
Rio de Janeiro's Christ the Redeemer statue was built by a French company. elaborate
Monaco has a higher population density than any other country in the world. elaborate
Vancouver has more than 150 parks within the city limits. elaborate
Catania is famously known as the black city because most of its historical buildings are constructed using dark volcanic stone sourced from the nearby Mount Etna. elaborate
Xi'an is home to a massive army of terracotta warriors, but it's also the starting point of the ancient Silk Road. elaborate