add buildings https://maproulette.org/challenge/38309/ #maproulette mpr.lt/c/38309/t/257084960
add buildings https://maproulette.org/challenge/38309/ #maproulette mpr.lt/c/38309/t/257084961
add buildings https://maproulette.org/challenge/38309/ #maproulette mpr.lt/c/38309/t/257084962
add buildings https://maproulette.org/challenge/38309/ #maproulette mpr.lt/c/38309/t/257084959
add buildings https://maproulette.org/challenge/38309/ #maproulette mpr.lt/c/38309/t/257084956
add buildings https://maproulette.org/challenge/38309/ #maproulette mpr.lt/c/38309/t/257084957
add buildings https://maproulette.org/challenge/38309/ #maproulette mpr.lt/c/38309/t/257084958
add buildings https://maproulette.org/challenge/38309/ #maproulette mpr.lt/c/38309/t/257084955
add buildings https://maproulette.org/challenge/38309/ #maproulette mpr.lt/c/38309/t/257083584
add buildings https://maproulette.org/challenge/38309/ #maproulette mpr.lt/c/38309/t/257083582
add buildings https://maproulette.org/challenge/38309/ #maproulette mpr.lt/c/38309/t/257083584
add buildings https://maproulette.org/challenge/38309/ #maproulette mpr.lt/c/38309/t/257083586
add buildings https://maproulette.org/challenge/38309/ #maproulette mpr.lt/c/38309/t/257083585
Remove no longer existing play areas
Specify street/place names to addresses
Determine the heights of kerbs at crossings
Survey whether benches have backrests