1. It’s home to the world’s heaviest building Bucharest’s vast Palace of the Parliament, begun during the final years of Nicolae Ceaușescu’s rule and not finished until 1997 (seven years after his death), is 240 metres long, 270 metres wide, 86 metres high (12 storeys), and cost a staggering €3 billion (£2.5bn) to build. The other numbers are remarkable. As many as 100,000 people worked…