He is a famous explorer.

He is an expert in speleology and is exploring caves around the world.

He is a specialist in that field.

We woke up early to explore the cave.

His music is loved throughout the world.

We made a plan to explore the unexplored areas of Africa.

We decided to explore the unknown forest.

We climbed the mountain to explore the cave.

We climbed the mountain to explore the cave.

His specialty is physics.