When seeing the Andes in Bogota I had to keep pinching myself as there was a feeling of disbelief that I was over 2,500 metres above sea level (and feeling no ill-effects).
Fruit and vegetables were colourful and cheap - a kilo of avocados for £1.00 was a striking example. Street vendors catered to the many tastes - pastries, fried foods, stuffed breads, chopped fruits and fresh juice, made on their stands. Just delicious.