Milly Chan, CNN • Published 19th January 2021 FacebookTwitterEmail (CNN) — The term "Indian cuisine" covers a lot of ground. From the Himalayan peaks in the northern state of Uttarakhand, to the tropical southwestern coast of Kerala, each landscape comes with its own climate, history, trade links and religious customs. And each has a unique food culture. As a culinary destination, India offers an epic food bucket list. But the past year has been tough for travel, with most of the world's holiday plans put on hold because of the Covid-19 pandemic. India's cuisine, at least, can still journey far beyond the country's borders. According to the United Nations, people from India make up the world's largest diaspora community -- and they have brought their delicious food with them.