Picture of "Indonesian Current Riddle". If warm current follows red/orange arrow, Indonesia would have subtropical climate(at least part of it). If current follows reddish yellow arrow, Indonesia would have desert climate.
Gray arrow is current caused by westerlies. Purple arrow is warm current that makes india warmer. Grayish blue arrow is cold current that makes china arid.
Picture of "Mediterranean Current Riddle".
If turgay strait(green dotted line) didn't form, warm current would flow from Gibraltar to the Gulf of Aden.(Bright blue, red, and pink arrow)
If turgay strait formed, warm current would flow from the gulf of Ob through Caspi-aral sea(Yellow and white arrow) and... which direction would the current flow?
If current flow from Greece to Gibraltar(Blue), Mediterranean coast will have arid(and mediterranean) climate. If current flow from Gibraltar to Greece(Brighter blue), Mediterranean coast will have subtropical climate.
Yellowish green circle is the gulf of Ob.