De nombreux enfants s'assoient habillés dans la salle de réunion lors d'un concert dédié à la Journée de la connaissance le 1er septembre. - Photo & image de stock

Many children sit dressed in the assembly hall at a concert dedicated to the Day of Knowledge Day on September 1. picture taken from behind

Many children sit dressed in the assembly hall at a concert dedicated to the Day of Knowledge Day on September 1. picture taken from behind

Many children sit dressed in the assembly hall at a concert dedicated to the Day of Knowledge Day on September 1. picture taken from behind

Many children sit dressed in the assembly hall at a concert dedicated to the Day of Knowledge Day on September 1. picture taken from behind

Many children sit dressed in the assembly hall at a concert dedicated to the Day of Knowledge Day on September 1. picture taken from behind

NOVOKUZNETSK, KEMEROVO REGION, RUSSIA - SEP, 1, 2014: First-grade students and teacher are in school classroom at first lesson. The day of knowledge in Russia.

SAINT-PETERSBUR, RUSSIA - 1 SEPTEMBER, 2016: Little first-grader, girl-student goes to school on knowledge day - September First. Student of elementary school in uniform with bows posing in classroom for student Desk, shoulders bag with textbooks

Girl - a child of seven years on the geography lesson near a globe of the world against the background of the school board

Girl - a child of seven years on the geography lesson near a globe of the world against the background of the school board

Girl - a child of seven years on the geography lesson near a globe of the world against the background of the school board

Girl - a child of seven years on the geography lesson near a globe of the world against the background of the school board