<prompt> Translate the following text to SwahiliOnce on Santorini, visitors are usually surprised to see, beyond the high steep caldera to the east, coastal plains that are covered in a blanket of vines.  <response>: Kwa kawaida, wageni wanapofika Santorini, wanashangaa kuona nyanda za pwani zilizofunikwa na mizabibu, mbali na caldera ya juu iliyo upande wa mashariki. 