Yes, that is the adverb use of the word yesterday, telling when the action occurred. Some example uses:
Adverb:
He returned yesterday.
I wasn't born yesterday.
Yesterday it was on the news.
Noun:
They play the songs of yesterday.
Yesterday's worries are gone today.
It was on yesterday's news.
Noun: "Yesterday" by John Lennon and Paul McCartney
Adverb: "Yesterday, all my troubles seemed so far away..."
He visited the Alhambra Palace in Spain. He was intrigued by the patterns and they were what inspired him to create his tessellation works.
Picasso was born in Malaga, Spain. There is no evidence that he ever visited Cuba.
I really can't imagine it did for the following reasons. A. He was Italian. and B. As far as I know (and I'm a bit of a da Vinci fanatic) he never visited Spain, although he lived out the later part of his life France.
First in Spain then in Paris, France
The adjective forms: real, more real, most real, realisticThe adverb forms: real, really, realisticallyThe interjection: Really!The noun forms:real, a thing having actual existence; a real numberreal, reals, monetary units of Spain, Portugal, and Brazilrealness, the noun form for the adjective realrealistrealismreality
yesterday
If you're using AOA the correct answer is: Adverb phrase: in Spain Modified: was made
In 2007 almost 60 million tourists visited Spain.
Michelangelo did not paint her. He never visited Spain, she never visited Italy.
The Prado Museum
In 2010 53 million tourists went to Spain.
in 2007 60.7 million people visited Spain
it was estimated the roughly 58.6 milion people visted Spain in 2005
Yesterday's Children - 2000 TV is rated/received certificates of: Australia:M Spain:7
Spain is one of the top tourist destinations in the world. In 2007 almost 60 million tourists visited Spain.
rounded: 12,000,000
No punctuation is needed (other than the period at the end of the sentence). However, this sentence is not optimally structured. Better would be any of the following: What are they doing now in Spain? What are they doing in Spain at the present time? What are they doing in Spain now?