Investing in new equipment and selective working has enabled Alves Ribeiro's quarry near Lisbon to remain profitable despite Portugal's ongoing recession. Claire Symes reports. High in the hills above the vibrant city of Lisbon is a quarry which is equally as vibrant, despite the current recession in Portugal. Alves Ribeiro's Moita da Ladra quarry has seen its output drop from 240,000tonnes in 2002 to 100,000tonnes this year but has still managed to remain profitable. According to Alves Ribeiro equipment di