It required 20 000 slaves and 22 years of hard work to travel this magnificent building. I really have no particular interest of the Taj Mahal, but it's such a “must see” in India, so you have pallra there and I did, although it was somewhat reluctantly. Busloads of tourists and trissade prices make Agra a pretty boring place. I took some pictures and went on later that day. One must still say that it is an extremely impressive craft and it is an interesting thought that humanity will probably never be able to build something so magnificent again, I guess it required slaves who work for free around the clock for it to be feasible, same with the pyramids or the Great Wall of China. So if we are to renew our 7 wonders on earth, we must take and bring back slavery, I think! All that is to raise your hand!