Complete the following sentence: Some scholars postulate that the Russians borrowed onion domes from Muslim countries, possibly from the Khanate of Kazan, the siege of Kazan in 1552 was the final Battle of Russo-Kazan Wars. Some scholars postulate that the Russians borrowed onion domes from Muslim countries, possibly from the Khanate of Kazan, the siege of Kazan in 1552 was the final Battle of Russo-Kazan Wars. Some scholars postulate that the Russians borrowed onion domes from Muslim countries, possibly from the Khanate of Kazan. <unk> <unk> <unk>
️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ According to this theory, onion domes were strictly utilitarian, as they prevented snow from piling on the roof.<unk> According to this theory, onion domes were strictly utilitarian, as they prevented snow from piling on the roof.