David's trip in the time machine:
- David visited Greenland in the time machine.
- The first image shows David arriving in Greenland, possibly in a snowy or icy environment, with some structures that might be igloos or similar dwellings.
- The second image depicts David interacting with what appear to be locals dressed in traditional Inuit clothing, possibly exchanging items or observing their way of life.
- The third image shows David preparing to leave or having just left Greenland, with the time machine in the foreground and the landscape behind him.
Summary: David's journey to Greenland via a time machine involved arrival, interaction with the local inhabitants, and departure.