set tit "Trip to London, Internationalisation day 25 - 26 Mar 1999"
set label "+ ams" at    4.763385 , 52.30907		# Amsterdam, The Netherlands
set label "+ lhr" at   -0.453566 , 51.469604		# Heathrow, London, GBR
set key

set xrange [-25:45]
set yrange [35:70]
plot 'europe-cil-10.dat' t "Coastlines" w l ls 2, 'europe-bdy-10-post1989.dat' t "Borders" w l ls 1, \
     '1999-gb-26.dat' t "London, GB" w l ls 4 

set xrange [-13:7]
set yrange [49.5:59.5]
replot

unset label