Delhi and Mumbai are the most popular destinations, with each seeing over 4.5 million visitors in 2014. Additionally, the introduction of a new visa-on-arrival process for 46 countries, including the US, Germany and Australia, has helped encourage visitors to India. Vietnam saw three of its cities in the top 100 for the first time: Ho Chi Minh City, Hanoi and Halong.
In total there are 13 tree kangaroos species in Australia, Papua New Guinea: all face the same threats of habitat loss. The stocky wallaroo, with his shaggy coat and short limbs, is well-adapted for leaping around rocks.
There are about  65 types of kangaroo. All but the tree-kangaroos are native to Australia alone. There are many varieties of kangaroo which come under the heading of macropod. Members of the macropod family are characterised by their big feet (macropod means great-footed), their front pouches, and the fact that they move primarily by hopping.