Boxers prepare for a day of training.

Throwing punches during training.

During a training session.

Noel Hernandez poses for a photo inside one of the...

Boxers sparring in the ring.

Stretching in the morning during morning training.

A man hits a tire with a sledgehammer repeatedly.

Boxers of all ages train here, and seem to enjoy...

Light sparring outside the ring.

Boxers train with worn down equipment like this.

Training starts young.

Stretching occurs throughout the training day.

At the end of the morning training session.

Gimnasio de Boxeo Rafael Trejo.

A man runs up and down the bleachers during his...