Our tour included a nearby Elephant camp,  however not 1 where you interact by washing the elephants,  but we did get to feed them some snacks! 

They eat about 300kg of grasses a day, but we just gave them a snack of pumpkin,  sugar cane and bananas.  They do seem to enjoy them!  And they recognize the baskets as you walk up the path towards their enclosure!

This big fellow seemed to dance for us