Completed the following sentence: In 2010, Chamizo won a world bronze medal for Cuba; he was only 18 at the time. <unk> <unk> <unk>
World Championships, where he placed 12th. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️