“I am back, Lisbon” – albeit for only two days to meet good friends who also happen to be in town. I finally got the chance to visit the Calouste Gulbenkian Museum and its art collection that was amassed by Armenian oil magnate Calouste Gulbenkian. The collection contains some 6,000 pieces that stretch from 2500BC to the 20th century, from Egyptian and Greek antiquities, to French furniture and European paintings. At the other end of the museum’s gardens is the Centro de Arte Moderna (CAM), which opened in 1983. The building was recently renovated by Kengo Kuma to feature an…