Conversation so far:
What year was Lawrence Alma-Tadema's move to England?
Alma-Tadema arrived in London in December 1869.
Why did Lawrence Alma-Tadema move to England?
The outbreak of the Franco-Prussian War in July 1870 compelled Alma-Tadema to leave the continent and move to London.

Question: What did he do when he arrived there?
Self-contained rewrite: What did Lawrence Alma-Tadema do when arriving to England?