Mexico, Mexico City, Museo Nacional de Antropologia.
How to kill a mammut-elephant?
1. Force the animal into a swamp, where it movement is limited.
2. Cancel all appointments
3. Throw your speers at him
4. Repeat 3, while crossing your fingers and trying not to get too close.
Museo Nacional de Antropologia was a marvelous museum, definitely worth seeing, even for a museum.
(Fuji Superia 400, 28-70mm)