date_time_start	geometry	people_dict	people_list
2023-06-28T00:00:00+00	POINT(8.5 53.5)	{"Alice": {"age": 18, "favorite_colour": "blue"}, "Bob": {"age": 19, "favorite_colour": "pink"}}
2023-06-28T01:00:00+00	POINT(8.5 53.5)		["Alice", "Bob", "Charlie"]