The Olmec Civilization was centered in southern Mexico. They began to rise around 1150BC and slowly disappeared around 900 BC. Their most known vestiges include the gigantic heads which can be found around San Lorenzo Tenochtitlan.
Market 28 (Mercado 28) is an incredible place. It is a huge place filled with traditional handicrafts, souvenirs, goods and more. Most people from Cancun go there to buy their daily groceries and articles. This place is not exclusively for tourists and is a good spot to discover a typical Mexican market.