What happens if the photographer who signed a contract with Panorama doesn't submit his work?

Take responsibility for breach of contract and terminate the contract.

1, liability for breach of contract. According to the contract signed with Panorama Network, it will bear the liability for breach of contract, and the specific degree of liability for breach of contract depends on the default clauses agreed in the contract signed with Panorama Network.

2. If the contract is terminated and the contractual obligations are not fulfilled for a long time, Panorama Network will terminate the contract. In this case, it will have to bear corresponding legal responsibilities, including but not limited to compensation for the losses of the panoramic network.