I was cruising through the Western Express highway (in Mumbai) when I noticed the road broadening work going on alongside the road. Giant excavators were cutting through the cliffs on the sides and the rubble (actually large stones) was being removed by other gigantic off-highway trucks. I could't but appreciate the 'might of man'. My thoughts moved to the wonders on the world - the pyramids of Egypt, The Great Wall of China and our own Taj Mahal. The gigantic structures made in ancient mediaeval times are a but a reflection of not only engineering skills but more so of hard labour. The city of Mumbai in fact is a wonder in itself - a group of 17 small islands being made into the most happening city of India. In fact 50% of South Mumbai ('town area' as people here call it) is built on reclamation land. It is difficult to imagine such monuments and cities to be built in the present day world. How did the ancient civilizations do it? The answer probably lies in the wo