Genshin Impact is holding a new Dragonspine Special Training event, with minigames involving both exploration and combat. The Tracker Training events will task you with melting blocks of ice, finding snowman components that you can use for the snowman building event.
For the first day of the event, the first two Tracker Training challenges are available. The next challenge unlocks in a couple of days, but you can tackle the first two investigations today. Here is the location of the first Tracker Training challenge:
Here is the location of the second Tracker Training challenge:
In this challenge, you simply have to find and melt all of the Ice Crystal Piles in the area. You can melt these pillars with Pyro skills, but the easiest and most efficient way is using a Pyro bow character like Amber or Yoimiya.
Here are the locations of the ice pillars from the first challenge:
Here are the locations of the ice pillars from the second challenge:
Completing these challenges will reward you with some Primogems, Snowstrider Emblems (the event currency which you can spend in the event shop), and more Snowman components.