Answer:
athens greece in 1896.the games attracted athletes from 14 nations
Many of the people who have come to Mexico City have ended up living in "surrounding" areas, since life in the city itself is very fast paced and dense, meaning that many people wish to enjoy the benefits of the city without being there directly.
A producer can include someone involved in the mining industry. Some of the factors to be considered before production starts are what are the grade and tonnage say of the metals involved? Also, the geometry of the deposit is important to know how to develop it ie open pit or underground or both. Also the economics must be considered ie what is the world market price of the metal in question and the prognosis for its future price?