Expatriates may want to check the details of their international healthcare insurance if they are planning on visiting Rwanda, a country where people can see gorillas in their natural environment.
Doing so is an "incredible, life-changing experience", according to David Hewitt, communications manager at the Gorilla Organization.
"Experienced, knowledgeable tour guides" lead the excursions to see the primates, which may involve "trekking up a rainforest-covered mountain for a few hours", he explained.
People can then watch the gorillas perform regular activities, such as rearing their offspring, playing, relaxing and eating.
These animals are "completely at ease" with humans and Rwanda is also a safe and accommodating country for visitors, he added.
Mr Hewitt asserted this is a form of sustainable tourism and can help local communities "pull themselves out of poverty".
A Great Gorilla Run will soon be held to raise funds for his organisation, which will involve 800 men and women in suits completing a seven kilometre course through London.