City Rail Link is a first in many ways. It is the largest, most complicated transport infrastructure project ever attempted in New Zealand. It is also the country’s first completely underground railway line.

When the Diego Cuê Dam ruptured in the town of Caarapó deep in the southern tip of Brazil, it wasn’t only flooding that the authorities had to manage. The dammed lake, located in the Ayrton Senna Park, is an important recreation space for residents and is perhaps Caarapó’s only tourist attraction