More than 800 million people around the world use the social media video platform TikTok. However, some governments around the world are concerned that the Chinese-owned app allows the Chinese government to access people's data.

Maggie has just landed in Mexico, and heads straight for Tulum, a once crucial trading post for the Mayan civilization, with spectacular clifftop ruins.

John has fond memories of exploring New York City with his father. He remembers the Chelsea neighborhood as an area where not much was happening — a "no man's land," as he calls it. However, it’s changed a lot since then.

In the next 35 years, we’ll have to produce more food than all of the world’s production over the last 2000 years combined. So what will the farms of the future look like?

World Wildlife Fund: Making sustainability a priority, the Marshik Dairy — a fifth-generation family farm — implemented a new, technologically advanced and energy efficient barn design for their 155 cows. The new design included robotic milking facilities, energy efficient lighting and ventilation, and renewable wind and solar power.

Here's a video from the World Wildlife Fund. Traditionally, anaerobic digester systems have not been practical on small dairy farms, but this didn’t stop Sensenig Dairy, a 100-cow farm, from pursuing its goal. Then Sensenig teamed up with the local community to collect enough waste to produce 1,401,600 kilowatt hours of electricity per year from "trash" that would otherwise end up in a landfill.

The focus of this segment is on the Chequers Deal, the preferred deal of Prime Minister Theresa May, which blends aspects of both Hard and Soft Brexit deals. It also outlines what could happen if no deal is struck by the deadline.

We visit Bryce Canyon, where valuable fossils have helped understand the geological history of the planet. The sandstone spires of the canyon are breathtaking.

This segment outlines the advantages and the drawbacks for British businesses in different versions of Brexit. The rights of British citizens living in EU countries and EU citizens living in Britain are also discussed.

The Colorado Plateau and the Grand Canyon are just a few of the amazing geographical features of the Southwestern United States.